This paper begins with the observation that the constrained maximisation central to model estimation and hypothesis testing may be interpreted as a kind of profit maximisation. The output of estimation is a model that maximises some measure of model fit, subject to costs that may be interpreted...

There is growing concern that much of the empirical research in labor economics and other applied areas may not be reproducible. Correspondingly, recent years have seen an increase in replication studies published in economics journals. Despite this increase, there are many unresolved issues...

In many transition countries, the collapse of communism ushered in language reforms to adapt to the newfound independence from the Soviet Union and openness to the rest of the world. Such reforms may have implications for individuals’ economic opportunities, since foreign language proficiency...