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Name: Krzysztof Olszewski

Affiliation: SGH Warsaw School of Economics, Poland


Applying the AD-AS Model to the Housing Market of Post-Socialist Economies

We propose applying the standard aggregate demand and aggregate supply model (AD-AS) to the housing market. It is a very simple and intuitive tool that can help shed light on the major forces at play in the market and that can supplement the use of the general equilibrium and dynamic stochastic equilibrium models (DSGE). The latter models are very sophisticated and aim to cover many aspects of the economy, but they require a significant number of long time series to estimate the model parameters. However, in many countries, such as post-socialist countries, the time series are short. Those models moreover cover only real house prices, but in certain situations we should consider real and nominal prices at the same time.

31.3.2023 | Jacek Łaszek, Krzysztof Olszewski | Volume: 10 | Issue: 1 | Pages: 14-26 | 10.13060/23362839.2023.10.1.550

Understanding the Economic Situation of People Who Took a Foreign Currency Mortgage in Hungary and Poland

In this article we show that significant differences between the foreign currency mortgage agreements in Hungary and Poland led to significant differences in monthly mortgage payments after the Global Financial Crisis (GFC) erupted. Hungarian banks were able to add a variable markup to the LIBOR3M that was connected to bank risk on top of the usual fixed markup. We compare the monthly mortgage payments and LTV levels of people who took out a CHF mortgage with those who obtained a local currency mortgage during the mortgage boom years of 2006–2008. We find that in the initial years of the mortgage CHF mortgages were cheaper than local currency mortgages, which allowed more people to buy housing. However, the GFC led to a deterioration of the exchange rate, and monthly payments and LTV levels (consequently?) increased. We analyse the mortgage costs and LTV levels of the 2006-2008 foreign currency (FX) mortgage vintages in Hungary and Poland between 2006 and 2020 and compare them to local currency mortgages. We also simulate the effects of changing housing prices and wages on mortgages in the cities of Budapest and Warsaw.

3.3.2022 | Hanna Augustyniak, Adrienne Csizmady, József Hegedüs, Jacek Łaszek, Krzysztof Olszewski, Eszter Somogyi | Volume: 9 | Issue: 1 | Pages: 1-15 | 10.13060/23362839.2022.9.1.536

Why Has the COVID-19 Pandemic Had a Limited Impact on the Primary Housing Market in Poland?

In this paper we present the first insight about the impact of the COVID epidemic on the pri-mary housing market in Poland, with a focus on Warsaw which is the largest market. We ex-plain the structural features that allowed the market to return to pre-shock levels after the pandemic shock. Contrary, after the 2007-2008 global financial crisis the negative consequences lasted for several years. This time a sharp monetary policy and fiscal intervention was carried out. Moreover, the developer sector is much more mature, has expanded its production capaci-ties. We show empirically that the monopolistic competition of developers allowed them to restrict excessive demand that was observed before the COVID broke out. In this way they were able to increase prices despite the economic problems. Another important structural change was the increased housing demand, mainly for investment housing, which was fi-nanced predominantly with cash and contributed to the development of the rental market. We approximate the investment demand, which was generated by private households that pur-chased flats for rental, with the help of a simple demand and supply model.

12.7.2021 | Hanna Augustyniak, Jacek Łaszek, Krzysztof Olszewski, Joanna Waszczuk | Volume: 8 | Issue: 2 | Pages: 1-15 | 10.13060/23362839.2021.8.2.534

Monopolistic Competition and Price Discrimination as a Development Company Strategy in the Primary Housing Market

Firms operating in the property sector use information asymmetry and the local monopoly to differentiate prices of housing units. Selling similar housing to purchasers at various prices allows them to maximize profits. The aim of this article is to analyze empirically the behavior of developers, that shape the market situation. It is necessary to depart from the classical analysis of enterprises that operate in a free and competitive market and produce typical, homogeneous goods. We analyze firms that produce heterogeneous goods and make individual trans-actions with each client. We use the hedonic regression to compare the theoretical and empirical prices per sq. m. of dwelling in the primary market in Warsaw and find significant dispersions. The price discrimination strategy, can be one of the explanations of the observed high, upward elasticity of prices.

31.12.2016 | Jacek Łaszek, Krzysztof Olszewski, Joanna Waszczuk | Volume: 3 | Issue: 2 | Pages: 1-12 | 10.13060/23362839.2016.3.2.286
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