The dissertation consists of three independent chapters. Although they use different methodologies and contribute to different fields of economics, they all try to answer the same question: "how can government improve the "state of affairs" by changing its policy?". In my essays, I analyze...

The third chapter, co-authored with Gyula Seres, delves into the efficiency of mechanism design in the field of public procurement auctions. Using a novel dataset with public contracts for highway construction in Poland, we analyze effects of screening, i.e. rejections of offers that do not...

The second chapter, written together with Michał Ramsza, explores fiscal rules that govern the fiscal policy in Switzerland, Germany and Poland. Using a Monte Carlo simulation, we generate artificial time series of GDP and government revenues that, together with government expenditures implied...

This paper assesses the economic implications of existing fiscal rules in Poland, Switzerland and Germany. In the analysis we establish economic relationships between output, government revenues and expenditures estimating a VAR model on US data for the years 1960–2015. Imposing fiscal...

The aim of this paper is to discuss briefly the issue of voter turnout and ascertain what kind of socioeconomic variables can affect it. The main body of the article is devoted to the search for empirical findings on the basis of the Polish presidential and parliamentary elections in 2010 and...