In this article, we examine the universal service obligation for telephone directories. In most countries, this obligation consists of two parts. First, publishers must offer a comprehensive directory, including all telephone subscribers. Second, this directory should be available to all users....

Both sides of a two-sided market are usually modeled as markets without product differentiation. Often however, it will be profit maximizing to differentiate one or two sides in two or more types. In a simple theoretical model, inspired by Yellow Pages, we show that this decision crucially...

This paper uses firm level panel data of firm provided training to estimate its impact on productivity and wages. To this end the strategy proposed by Ackerberg, Caves and Frazer (2006) for estimating production functions to control for the endogeneity of input factors and training is applied....

Advances in communication technology have led to a remarkable increase in the tradability of services, resulting in a substantial increase in offshoring of services over the last two decades. Research investigating how this surge in service offshoring affects employment, has been largely...

This paper uses firm level panel data of firm provided training to estimate its impact on productivity and wages. To this end the strategy proposed by Ackerberg, Caves and Frazer (2006) for estimating production functions to control for the endogeneity of input factors and training is applied....

In recent years, Europe has witnessed an accelerated process of economic integration. Trade barriers were removed, the euro was introduced and ten new member states have joined the European Union. This paper analyzes how this process of increased economic integration has affected labor and...

Europe has witnessed the last decade an accelerated process of economic integration. Trade barriers were removed, the euro was introduced and ten new member states entered the European Union. Economic integration is likely to have an impact on both labor and product markets. Unlike most other...

This paper determines the relative importance of technical efficiency and reallocation for aggregate productivity growth in a small open European economy. To this end we use a dataset containing all Belgian firms active in the private sector, both services and manufacturing. We observe at the...

Using a novel comprehensive data set of IT investment at the firm level, we find that a firm investing an additional euro in IT increases value added by 1 euro and 38 cents on average. This marginal product of IT investment increases with firm size and varies across sectors. IT explains about...