Most maintenance-optimisation models assume an infinite planning horizon and suppose that the failure process is … information (such as a variable use of components and the occurrence of maintenance opportunities). With numerical experiments we … stationary-planning method with the costs according to an approach which can adapt this long-term plan to dynamically changing …

changing preferences (executing a job might become less enjoyable with age) or to differences in opportunities (elderly getting … partly the age heterogeneity in opportunities, in the second we remove age heterogeneity in preferences. A comparison of … labour market behaviour in these two counterfactuals with the baseline shows that opportunities which decline with age are at …

exploitation of resources and space in a logical and rational manner. The trend of global economic uniformity allows opportunities …

This paper analyses possible challenges and opportunities that Mexican female entrepreneurs face during the … researched opportunities in the form of governmental and non-governmental institutional support, growing entrepreneurship, social …

includes consideration of funding instruments and describes challenges and opportunities of cross-border cooperation, before … finally turning to specific features of cross-border cooperation within spatial planning. …

Considerable debate surrounds the concept of entrepreneurial opportunities. This paper contributes to the discussion by … process perspective sheds new light on the nature of opportunities. Second, not only the pursuit of entrepreneurial … opportunities, but also the further development of the entrepreneurial venture is dependent on subjective opportunity perception and …