Quantitative partielle- oder allgemeine Gleichgewichtsmodelle stellen in der angewandten Ökonomie ein wichtiges Instrument zur Politikfolgenabschätzung dar. Aus wissenschaftlicher Sicht wird an diesen Modellen ihre mangelnde Transparenz sowie ihre Abhängigkeit von empirisch wenig gesicherten...

We perform a meta-analysis of 110 studies that report simulated global welfare gains from trade liberalization under the WTO Doha Development Agenda (DDA) to test for hidden, author-specific model specification effects. We find that after controlling for other factors that influence simulation...

Large-scale foreign investments in African farmland are rising and may contribute to agricultural productivity growth and economic development. However, host countries sometimes have to wait longer for the economic benefits to arrive than initially expected. In this respect, the timing of...

Applied general and partial equilibrium models are widely used tools for ex ante analysis of trade policy changes. However, simulation results seem to exhibit significant variation across publications, and the often criticised 'black box' character of applied trade models makes meaningful...