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Search results for: price explosivity
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One Europe, one product, two prices - the price disparity in the EU
PublicationThe price dispersion in the European Union in the last fifteen years (1990-2005) is analysed. The analysis of price convergence is examined on aggregate and disaggregate levels. The macro approach is based on Comparative Price Level index calculated as the ratio between PPPs and exchange rate. The disaggregate analysis utilizesactual prices of 148 individual products sold in the 15 capital cities of the EU. The calculations comprise...
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20+ years of Polish residential real estate prices – a house price index proxy
PublicationInformation on house prices is often considered crucial when assessing developments in economy. However, in Poland for the long time house prices haven’t been tracked in an organized manner. Recent developments, most notably house price indices developed by Poland’s national bank and by the statistical office do not go back more than 10 years, therefore data series are relatively short compared to those of other macroeconomic data. In...
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Forming of explosively welded metal plates.
PublicationW pracy przedstawiono możliwości kształtowania plastycznego poprzez walcowanie, tłoczenie, gięcie, skręcanie blach wielowarstwowych zgrzewanych wybuchowo.
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Price Diversification
PublicationThe price diversification is a complex phenomenon. We show that price discrimination can have both positive and negative effects. The final result depends whether it makes competition more intense. As far as legal procedure is cocerned it is recommended to focus on the effects of compan's actions rather than on the form that these actions may take. There is a need to understand and distinguish between price discrimination as the...
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Uniform Expansivity Outside a Critical Neighborhood in the Quadratic Family
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Does one currency mean one price? An analysis of the euro effect on price dispersion and convergence
PublicationThis paper examines price differentials in the European Union to investigate whether the European Monetary Union has lowered the degree of price dispersion in the euro zone and increased the speed of price convergence. Both euro effects are evaluated using difference-in-difference methodology. Applied to the issue of introducing a single currency, the euro effects identified are the estimated differences in price dispersion and...
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Equilibrium price - modelling, forecast and application
PublicationNowoczesną gospodarkę charakteryzuje wzrastające znaczenie cen. Znajomość ogólnych zasad mechanizmu kształtującego ceny oraz analizy cen umożliwiają przedsiębiorstwom przewidzenie ceny równowagi i podjęcie przynoszącej zyski decyzji, zwłaszcza na rynku oligopolu homogenicznego, gdzie przedsiębiorcy muszą brać pod uwagę reakcję konkurencji. Przedstawiony w artykule, dynamiczny model ekonometryczny cen benzyny, na rynku paliw płynnych...
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Research Papers of Wrocław University of Economics
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Price convergence in the EU-an aggregate and disaggregate approach
PublicationThis article examines the price dispersion in the European Union (EU) over 15 years (1990-2005). An extensive overview of the literature offers inconclusive results with the half-lives of price shocks from 2.8 to 282 months. Until now, most of the empirical research has been either micro or macro based. In contrast, we conducted a complex analysis utilizing both aggregate and disaggregate price data. The macro approach is based...
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Does one currency mean one price?
PublicationEuropean Monetary Union was expected to have many consequences for the economies of participant countries. Theory suggested that through a higher volume of trade and stronger competition in the Eurozone, a single currency would lead to a reduction in price dispersion. As far as prices are concerned, two effects were expected: an immediate effect due to the technical characteristics of the changeover process, and a long-term one...
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Does low price mean high competitiveness
PublicationWe found a strong positive relationship between Comparative Price Level Index (CPL) and Growth Competitiveness Index (GCI). We do realize that the relation we have found does not have to indicate cause and effects relationship. Competitiveness is a process which goes far beyond price level but it is detemined by lots of different elemnts. We show the GCI composition that provides a concept explaining what exactly determines competitiveness...
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The impact of European Monetary Union on Price Convergence.
PublicationArtykuł dotyczy skutków wprowadzenia wspólnej waluty euro. Bada zarówno skutki krótkookresowe tj. odczucia co do podwyżek cen przez konsumentów i inflację w okresie przejścia na jedna walutę, jak i skutki długookresowe związane z redukcją kosztów tranzakcyjnych, eliminacją ryzyka kursowego i większą przejrzystością cen.
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Price convergence in the European Union and in the new member states
PublicationThis paper examines price dispersion in the European Union (EU15) and in three New Member States (Poland, Hungary and the Czech Republic) between 1995 and 2006. The analysis utilizes both disaggregate and aggregate price data, including the prices of 157 products and two indices constructed using two different weighting procedures. For each category of goods the price dispersion is lower in EU15 than EU15 plus 3 NMS. Sigma convergence...
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Price bubbles and Co-bubbles in the green economy market
PublicationIn light of growing concerns about climate change and environmental issues, investor interest has surged in the new green economy market. However, the existing literature is limited regarding potential price bubble and co-bubble within this new domain. This study examines price bubble and co-bubble in the new green economy market, covering 31 indexes classified into three groups: the green economy market and its components, geographical...
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Price Changes in Wholesale Market of Electrical Energy in Poland
PublicationThe article discusses the Price changes on the wholesale electricity market in Poland Moreover, The price levels on the futures electricity markets and the spot transactions market are presented. The impact of emission charges under the EU ETS on the price of electricity in the domestic market has been taken into consideration Furthermore, the basic determinants of the generation structure in Poland that influence the level of...
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IS THE REGIONAL DIVERGENCE A PRICE FOR THE INTERNATIONAL CONVERGENCE? THE CASE OF THE VISEGRAD GROUP
PublicationThe main goal of this article is to verify whether the Visegrad Group countries are achieving social convergence at national level at the expense of internal divergence. For this purpose, the existence of social beta-, sigma- and gamma-convergence at national and regional level was tested. The author of this article decided to tackle the convergence problem since there is a high risk that countries are trying to catch up at...
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The low price anomaly and the Intriguing Case of the Polish Stock Market
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Price nonsynchronicity, idiosyncratic risk, and expected stock returns in China
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Price range and the cross-section of expected country and industry returns
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Diamond investments – Is the market free from multiple price bubbles?
PublicationThe following study aims to investigate whether multiple price bubbles, in which the quoted market price of diamonds significantly deviates from their fundamental value, exist in the diamond market. It was conducted using ADF, SADF and GSADF tests, with the latter found to be an optimal form of evaluating the analysed issue. The presented results support the conclusion that the diamond market is not free from periods defined as...
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FORECASTING ELECTRICITY PRICES IN POLAND
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The Effect of CO2 Gas Emissions on the Market Value, Price and Shares Returns
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Accounting Quality and Audit Attributes on the Stock Price Crashes in an Emerging Market
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The evolution of market integration between the eu and poland - price and trade approach
Publicationw artykule przedstawiono dwa podejscia do mierzenia integracji ekonomicznej tj. podejscie od strony cen i podejscie od strony przepływów handlowych. na podstawie 49 wyselekcjonowanych cen produków oraz danych o wolumenie i wartosci eksportu i importu tych produktów autorki wyliczyły przy zastosowaniu wybranych modeli panelowych stopień rynkowej integracji między Polską a krajami UE15.
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Cryptocurrencies as a Speculative Asset: How Much Uncertainty is Included in Cryptocurrency Price?
PublicationThe aim of this paper is to examine the relationship between uncertainty indices (Geopolitical Uncertainty Index and Global Economic Policy Uncertainty Index) and cryptocurrencies. This study evaluated the behavior of cryptocurrencies with the evolution of uncertainties (GPU, EPU) on returns and volatility in terms of safe heaven as in traditional specualtive assets it increases their volaitility and reduces risk. For this purpose,...
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Stock price reactions to an arrangement approval in restructuring proceedings – the case of Poland
PublicationThe study aims to empirically analyze the reaction of stock prices to the information about the conclusion and acceptance of a debtor–creditor arrangement under restructuring proceedings of companies listed on the stock exchange in Poland. The following main research hypothesis was verified: public disclosure of information about an arrangement conclusion and acceptance in restructuring proceedings...
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Cryptocurrencies as a speculative asset. How much uncertainty is included in cryptocurrency price?
PublicationThe aim of this paper is to examine the relationship between uncertainty indices (Geopolitical Uncertainty Index and Global Economic Policy Uncertainty Index) and cryptocurrencies. In order to conduct research, the authors collected the data on the major cryptocurrencies (Bitcoin, Ethereum, Tether, Dogecoin and USD coin) which account for 78% of the total market cap. Using panel OLS regression, this study finds that Bitcoin...
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Short-Term Price Reaction to Filing for Bankruptcy and Restructuring Proceedings—The Case of Poland
PublicationThis study aims to check market reaction to filing for bankruptcy and restructuring proceedings and to verify the short-term effect of a price reversal in the Polish market in the years 2004–2019. The research was conducted by dividing the analysed companies according to the procedure (bankruptcy and restructuring) and market (the main market and the NewConnect market). The research methodology used in the study is the event analysis...
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Factors Forming the Consumers’ Willingness to Pay a Price Premium for Ecological Goods in Ukraine
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Decomposing the earnings-to-price ratio and the cross-section of international equity-index returns
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Price bubbles in commodity market – A single time series and panel data analysis
PublicationThis paper examines thirty-five commodities, grouped into three market sectors (energy, metals, agriculture & livestock) in terms of the occurrence of price bubbles. The study was based on monthly data for each commodity separately and, in a panel approach, for selected sectors and for all commodities combined. The GSADF test and its version for panel data – panel GSADF – were used to identify bubbles. The beginning and end of...
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Intraday price reaction to filing bankruptcy and restructuring proceedings – the evidence from Poland
PublicationThis chapter presents the results of research on the price reaction of shares listed on the Warsaw Stock Exchange to filing bankruptcy and/or restructuring applications. Event study was adopted as the research method, and it was performed at 10, 5, and 1-minute intervals. It was found that the reaction is rapid, as it takes 1–2 minutes after the information on bankruptcy and restructuring applications was made public. Significantly...
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GSADF test results for national art market (G-7 group) + selected investments
Open Research DataThe dataset contains data illustrating the results of detecting and data-stamping price explosivity periods in national art markets in G-7 countries with additional investments from a second group (MSCI, S&P 500, crude oil, gold and silver). The files contain:• 01_diagnostics_gsadf – summary of results for analysed time series.• 02_st_value...
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Consumer willingness to pay a price premium for ecological goods: a case study from Ukraine
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ESG unpacked: Environmental, social, and governance pillars and the stock price reaction to the invasion of Ukraine
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Prace badawczo-rozwojowe prowadzone w KEiAP
PublicationPrzedstawiono aktualną tematykę badań naukowych prowadzonych w Katedrze Ekoinżynierii i Aparatury Procesowej, która koncentruje się wokół zagadnień wrzenia w przepływie i dużej objętości na powierzchniach rozwiniętych, wrzenia nanocieczy, segregacji materiałów ziarnistych i wyznaczaniu charakterystyk urządzeń energetycznych.
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Prace geodezyjne podczas budowy tuneli komunikacyjnych
PublicationOpis prac geodezyjnych w trakcie realizacji tuneli metodą odkrywkową oraz metodą tarczową.
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Analysis of Factors Influencing the Prices of Tourist Offers
PublicationTourism is a significant branch of many world economies. Many factors influence the volume of tourist traffic and the prices of trips. There are factors that clearly affect tourism, such as COVID-19. The paper describes the methods of machine learning and process mining that allow for assessing the impact of various factors (micro, mezzo and macro) on the prices of tourist offers. The methods were used on large sets of real data...
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PRACE I MATERIAŁY WYDZIAŁU ZARZĄDZANIA UNIWERSYTETU GDAŃSKIEGO
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Modelling of residential sales price with kriging using different distance metrics in different correlation functions
PublicationThe modelling and estimation of sales prices based on economical conditions are important for housing sector especially in developing countries. Analysts are focused on the subject to analyze price movements and estimate the future trend of the sales prices for housing sector. In this study, we tried to generate a robust and efficient model related to the subject. Firstly, we investigated economic variables affecting housing sales...
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Modelling dynamic connectedness between oil price shocks and exchange rates in ASEAN+3 economies
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Fuel price, income and road safety as determinants of the level of the population’s economic well-being in Poland
PublicationThe opportunity to travel is one of the most favorite human activities, given that on a trip a person gets new knowledge, impressions and positive emotions. Recreational trips occupy a prominent place in the concept of the economics of happiness, and the study of factors that influence decision-making regarding travel is important for forecasting the number of tourists, infrastructure development, income and expenses of businesses...
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Prace rozwojowe nad pierwszą polską ładowarką teleskopową
PublicationW artykule dokonano przeglądu prac wykonanych przez członków Zespołu Hydrauliki i Pneumatyki Wydziału Mechanicznego Politechniki Gdańskiej w ramach programu „Bon na innowacje” dla firmy „Hydro-Metal Adam Gordziejczyk”. Obiektem prac była ładowarka teleskopowa z napędem hydraulicznym o udźwigu 1,5 T. Pierwsza część prac polegała na obliczeniach MES i poprawie sztywności konstrukcji ramy i wysięgnika. Druga część prac polegała na...
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Is geopolitical risk priced in the cross-section of cryptocurrency returns?
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Prace remontowo-naprawcze w obiektach zabytkowych.Wybrane przykłady
PublicationPublikacja stanowi studium przypadku usterek i uszkodzeń występujących w obiektach zabytkowych. Szczególny nacisk położono na przedstawienie stanów przedawaryjnych i awaryjnych tego typu obiektów. W pracy przedstawiono następstwa projektowania i realizacji obiektów budowlanych będących dzisiaj zabytkami, często z pominięciem zasad wiedzy technicznej. Wskazano również konsekwencje niewłaściwego, wieloletniego użytkowania tych obiektów....
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WUT Journal of Transportation Engineering
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Data on LEGO sets release dates and worldwide retail prices combined with aftermarket transaction prices in Poland between June 2018 and June 2023
PublicationThe dataset contains LEGO bricks sets item count and pricing history for AI-based set pricing prediction. The data spans the timeframe from June 2018 to June 2023. The data was obtained from three sources: Brickset.com (LEGO sets retail prices, release dates, and IDs), Lego.com official web page (ID number of each set that was released by Lego, its retail prices, the current status of the set) and promoklocki.pl web page (the retail...
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Short-term Price Reaction to Involuntary Bankruptcies Filed in Bad Faith: Empirical Evidence from Poland
PublicationPurpose: Assessing the reaction of the prices of shares of companies listed in the Warsaw Stock Exchange to the public disclosure of information about the filing a bankruptcy petition in bad faith by creditors. Design/Methodology/Approach: Event study analysis. Findings: It can therefore be assumed that the filing of an unfounded bankruptcy petition does not, in the short term, have a statistically significant negative impact on...
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PUBLIC GOODS VERSUS THE FARM PRICE-COST SQUEEZE: SHAPING THE SUSTAINABILITY OF THE EU’S COMMON AGRICULTURAL POLICY
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Investing in wine, precious metals and G-7 stock markets – A co-occurrence analysis for price bubbles
PublicationThis paper used the GSADF test to determine the periods defined in this paper as price bubbles in the three markets studied, i.e. the investment wine market, precious metal market and national stock market indices of G-7 countries. The results obtained enabled the calculation of the values of the phi correlation coefficients, which served the research objective of assessing the co-occurrence of price bubbles in the markets analysed....