The real options investment theory shows that greater uncertainty about market revenues reduces current R&D investment by increasing the value of waiting. This paper presents empirical evidence that patent protection mitigates the effect market uncertainty on R&D investment.

Real options investment theory predicts current investment falls as uncertainty about market returns increases. In the case of R&D investment, which is usually considered an irreversible form of investment, this effect should be quite pronounced. This paper tests the real options prediction...

Recent empirical work finds a negative correlation between product market regulation and aggregate employment. We examine the effect of product market regulations on hours worked in a benchmark aggregate model of time allocation as well as in a standard dynamic model of entry and exit. We find...

We present and estimate a model of competition in a two-sided market: the market for magazine readership and advertising. Using data on magazines in Germany, we find evidence that magazines have properties of two-sided markets. The results are consistent with the perception that prices for...

Post Keynesian theory as opposed to Walrasian theory does not provide the foundations for a unique general equilibrium but claims the existence of multiple equilibrium positions. In this article, such a multiple of equilibrium positions is explained by different market constellations which are...

Institutional early childhood education and care can be funded and delivered in various ways relying on both the public and the private sector. The provision of childcare ranges from public operation to mixed markets with public and private providers to considerably marketised systems with...