Welfare economics as the traditional, prescriptive theory framework used in agricultural economics has been criticised by institutional economists as being largely irrelevant to real-world policy issues. We therefore ask how normative statements are possible within an economic theory framework...

The impact of cross sectional aggregation over individual retail stores on the estimation and testing of vertical price transmission between the wholesale and retail levels is investigated using a unique data set of individual retail prices in Germany. Systematic differences between the results...

Quantification of welfare changes due to trade liberalisation play a crucial role for political decision making. However, meaningful comparisons of simulation results from different sources are difficult. Often significant differences in simulated gains from liberalisation do not serve to...

The analysis of price transmission in transition countries is complicated by their often unstable policy environments. We utilise a Markov-switching vector error correction model (MSVECM) to allow for multiple regime shifts in the price relationship between wheat and wheat flour in Ukraine from...