Past and future development as well as possibilities for influencing the process of retirement are discussed, in particular effects on the labour market (supply and demand, behaviour of workers and firms, concerning human resource management and occupational pensions), financing of social security and income of workers. Decisions concerning earlier or postponed, full or partial retirement are the main topic stressing the central role of firms' decisions depending e.g. on their view of the productivity of the elderly. Reports on Scandinavian countries (Sweden, Denmark, Finland) in particular on their approach for partial retirement are included as well as papers discussing possibilities to stop the trend of early exit from the labour force and how to give incentives for a longer working life (e.g. by changes in social security). These topics are discussed in the view of structural changes in demography, economy and society, using - among other - the US and West Germany as examples. The papers point out the necessity to look at retirement as a process (in a life cycle perspective, requiring longitudinal data for empirical research) and in a perspective integrating the different aspects involved.

Helmut Schneider 1. The Formulation of the Research Programme 1. In the late sixties the acceleration of US inflation revived the discussion of the fifties about the superiority of flexible exchange rates: The US balance of payments deteriorated since 1965, the dollar shortage after World War II changed to a dollar surplus. The import of US inflation by their main trading partners intensified political pressures so that at the beginning of the seventies most leading countries decided, contrary to the rules of the Bretton Woods agreement, to stop their intervention in the market for foreign exchange and to let the exchange rates be determined by market forces. It is worthwhile recalling that at that time one had only very limited experience with the regime of flexible exchange rates: The most important case, the floating of Canadian against the US dollar, could not be generalized to a world where nearly all important countries adhered to the regime of flexible exchange rates. ! - But one really had rich experience with destabilizing capital flows (or "hot money") that forced monetary authorities to adjust exchange rates in a system of managed flexibility to the expecta tions of "speculators".