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 investigates whether patent fee policies are a potential factor underlying the boom in patent applications observed in major patent offices. We provide the first panel-based evidence suggesting that fees affect the demand for patents in three major patent offices (EPO, USPTO and JPO),...

This paper analyzes the role of patent filing fees requested by the member states of the European Patent Convention (EPC). We provide a first empirical evidence showing that the fee elasticity of the demand for priority applications is negative and significant. Given the strong variation in...

One feature of the European patent system that is heavily criticized nowadays is related to its complex fragmentation and the induced cost burden for applicants. Once a patent is granted by the EPO, the assignee must validate (and often translate) it and pay the renewal fees to keep it in force...

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...