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...

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'...

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...

Economies at early stages of development are often shaken by abrupt changes in growth rates, whereas in advanced economies growth rates tend to be relatively stable. To explain this pattern, we propose a theory of technological diversification. Production makes use of different input varieties,...