A country's form of government has important economic and political consequences, but the determinants that lead societies to choose either parliamentary or presidential systems are largely unexplored. This paper studies this choice by analyzing the factors that make countries switch from...

We ran a number of experiments among refugees and Germans.In a first step, we ask whether refugees and Germans behave differently and find that risk preferences do not significantly differ between them. However, refugees are less trusting than Germans. In a second step, we seek to identify the...

We propose a Bayesian sequential learning framework for high-dimensional asset al-locations under model ambiguity and parameter uncertainty. The model is estimated via MCMC methods and allows for a wide range of data sources as inputs. Employing the proposed framework on a large set of...

In this paper we investigate the effectiveness of development aid in recipient countries. Specifically, we analyze the relationship between per-capita income and foreign aid for a maximum of 131 recipient countries over the 1960 to 2006 period. We employ annual data and 5-year averages and,...

We analyze the aid portfolio of various bilateral and multilateral donors, testing whether they have prioritised aid in line with the Millennium Development Goals (MDGs). In doing so, we combine sectorally disaggregated aid data with indicators reflecting the situation of recipient countries...

In theory, the IMF could influence economic growth via several channels, among them advice to policy makers, money disbursed under its programs, and its conditionality. This paper tries to disentangle those effects empirically. Using panel data for 98 countries over the period 1970-2000 it...

We investigate whether temporary members of the UN Security Council receive favorable treatment from the IMF, using panel data for 191 countries over the period 1951 to 2004. Our results indicate a robust positive relationship between temporary UN Security Council membership and participation in...

This paper assesses the relationship between institutions, output, and productivity, when official output is corrected for the size of the shadow economy. Our results confirm the usual positive impact of institutional quality on official output and total factor productivity, and its negative...

Central bank governor changes in emerging markets may convey important signals about future monetary policy. Based on a new daily data set, this paper examines the reactions of foreign exchange markets, domestic stock market indices and sovereign bond spreads to central bank governor changes....

We examine whether and under which circumstances World Bank projects and IMF programs affect the likelihood of major government crises. Using a sample of more than 90 developing countries over the period 1970-2002, we find that crises are on average more likely in the presence of Bank and Fund...