Several ways of modelling non-linear state space models have been suggested. The extended Kalman Filter is a tractable way of doing so. One application is to consumer durable demand. Models explaining this flow are normally conditioned on the stock. For the UK, measures of the stock are...

The Phelps and Winter (1970) customer-market model predicts that firms will charge lower than the static monopoly mark-up because monopolistic pricing policy is moderated by the potential effect of high prices on the market-share. This paper extends Phelps and Winter (1970) to incorporate...

This paper examines the impact of mergers and acquisitions on the remuneration of the CEOs in a large unbalanced panel of UK firms, over the period 1981-1996. We find significant and substantial executive pay increases in excess of those generated by the growth in firm size consequent upon the...

Besides introducing a simple and intuitive definition for the order of integration of quarterly time series, this paper also presents a simple testing strategy to determine that order for the case of macroeconomic data. A simulation study shows that much more attention should be devoted to the...