We propose a simple model where large innovation waves arise from the endogenous propagation of information around sectors. Innovators of each sector invest in internal R&D and in local search for information. We show that depending on the structural parameters of the single sectors, some of the...

The aim of this paper is to investigate the nexus between demand patterns and innovation as it stems from research efforts and the extent of specialization. In the proposed model an innovation race conducted by entrants investing in research and development against established incumbents raises...

The paper investigates the mechanics through which novel technological principles are developed and diffused throughout an economy consisting of a technologically heterogeneous ensemble of firms. In the model entrepreneurs invest in the discovery and in the diffusion of a technological principle...

We study the behaviour: of the average aggregate growth rate of an economy, driven by only small idiosyncratic total factor productivity shocks and where investment behaviour at the single plant level follows an (S,s) policy. We assume that in the case of investment (disinvestment) there are...

This paper investigates the effects of board of director collusion on managerial incentives and firm values. Recent academic research hints at the social network of board of directors as an important conduit for coordinating corporate governance policies, such as managerial pay, and curbing...