Manna and Chaudhuri (Eur. J. Oper. Res. 171(2):557–566, 2006) presented a production-inventory system for deteriorating items with demand rate being a linearly ramp type function of time and production rate being proportional to the demand rate. The two models without shortages and with shortages were discussed. Both models were studied assuming that the time point at which the demand is stabil...

Hard metals are an important material due to their specific properties, such as high degree of hardness and resistance to abrasive wear, and they are in wide use today. There are indications that hard metal aerosols can endanger human health. Discussions are ongoing as to how to categorize hard metals as hazardous as a result. This categorization will require deciding in particular how to deter...

— This paper investigates intermediate input effects and labor pooling in the context of urban informality, examining the handicraft industry of Nairobi, Kenya. The paper tests if conditions found in informality interfere with transition pathways in production clusters. 102 semi-structured interviews were conducted with industry participants, including 69 production firms. Findings confirm the ...

Under the premise that land administration is one of the necessary components of sustainable development and better land management, this article reviews how progressive titling could foster new land administration procedures and associated information systems. This review is based on the objectives of progressive titling as they are developed or currently implemented in various regions in the ...

3 A MODEL OF THE DETERMINANTS OF LAND USE 4 ECONOMETRIC TECHNIQUES 6