The purpose of this study is to estimate the effects of Real Effective Exchange Rate (REER) on Sudan trade balance (TB). The present situation is confusing for all in Sudan with discrepancies in market effective foreign currencies and government declared prices. For example, one US$ in the...

Financial intermediaries may increase economic efficiency through intertemporal risk smoothing. However without an adequate regulation, intermediation may fail to do this. This paper studies the effects of a production shock in a closed economy and compares abilities of market-based and...

In a general equilibrium model with online, entertainment and informal sectors employing skill, unskilled, and capital, we show that Covid-19 could cause polarization pushing contact-intensive entertainment industry on the brink of collapse while other two survive. Dual roles of factor-intensity...

This paper documents the macroeconomic effects of changes in downpayment requirements on mortgage loans in a model where investment is undertaken by collateral- constrained agents. I find that a permanent tightening in lending standards substantially lowers aggregate spending in the short run...

We conduct two waves (W1 and W2) of an unincentivized online survey to measure the change in altruism of primary school students (N=983) toward classmates and schoolmates during the school closures due to COVID-19. The W1 responses arrived, on average, after 39 days of online education, while W2...

We review the vast literature on social preferences by assessing what is known about their fundamental properties, their distribution in the broader population, and their consequences for important economic and political behaviors. We provide, in particular, an overview of the empirically...

Banking regulators often practice forbearance and ambiguity in insolvency resolutions. The paper examines the effects of regulatory forbearance and ambiguity in a context of allocational efficiency. Bailouts, liquidations and their stochastic policy mix lead to suboptimal allocations if banks do...

In 1999 the red/green administration in Germany induced an ecological tax reform, which burdens energy consumption and uses the tax revenue to reduce social security distributions. As in other countries the design of the taxation does not follow textbook considerations, but is marked by many...