The paper examines the behaviour of 100 firms interviewed regularly between 1993-4. It reaches the following conclusions:1) Following the inter-enterprise debt (IED) crisis of 1992, most firms have switched to a `pay-in-advance' system, which pushed firms towards a `hard budget constraint'...

The paper analyses the transition in Russia through a theoretical model in which job-to-job mobility plays a crucial role. It shows that job-to-job mobility is a key factor preventing a discontinuous break in unemployment and insulating wages in declining sectors from aggregate disequilibria. In...

How can we explain the success of cooperative networks of firms that share innovations, such as Silicon Valley or the Open Source community? This Paper shows that if innovations are cumulative, making an invention publicly available to a network of firms may be valuable if the firm expects to...

This paper analyzes firms’ choices regarding the geographic scope of patent protection within the European patent system. We develop an econometric model at the patent level to quantify the impact of office fees and translation costs on firms’ decision to validate a patent in a particular...