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The focus of this paper is the link between firm's growth and innovation. Radical product innovation is more difficult in traditional industries. In these industries firm's growth is typically fuelled by a more broad innovative activity that include marketing innovations such as branding, advertising investment, development of new distribution channels. Successful competitive strategies in mature sectors (IKEA is a typical case) are often based on innovative marketing strategies which expand potential demand. These conclusion may have implications in terms of industrial policies. Italian industrial policies have usually been oriented toward technological acquisition and adoption even in traditional sectors. The Swedish experience of promoting marketing and communication innovation especially among SMEs is an interesting case to consider.

ABSTRACTIn equipment‐intensive sectors – such as water utilities, power generation, and gas – billions of dollars are spent in capital equipment. The nature of the investment is often lumpy: at some point a plant has to be replaced and a large investment is required. We characterize the dynamic optimal investment policy of profit‐maximizing and welfare‐maximizing firms. We first show that, when there is no technical progress, the duration of the plant is longer for a profit‐maximizing firm. We then consider technical progress leading to either capacity expansion or to operating costs reduction. We show that duration tends to increase when the installed capacity increases over time, while it tends to decrease when technical progress reduces operating costs, both for profit‐maximizing and welfare‐maximizing firms. Under some conditions, when capacity expands over time the duration of the plant is longer for a profit‐maximizing firm than for a welfare‐maximizing firm.

This paper analyses trends in sectoral specialisation in the EU and concludes the following: 1) The European production structure appears more homogenous than that of the US. 2) While sectoral specialisation has shown a slight increase in some smaller euro area countries towards the end-1990s, it is too early to detect any potential impact of EMU. 3) Despite some changes in sectoral composition, the business cycles of euro area countries became more synchronised over the 1990s, which may be seen as reassuring from the point of view of the single monetary policy. 4) Sectoral re-allocation accounts for as much as 50% of the increase in labour productivity growth in business sector services in the euro area. 5) The slowdown of European labour productivity growth relative to the US since the mid-1990s is explained by a stronger performance in the US wholesale and retail trade, financial intermediation and high-tech manufacturing sectors.