The impact of defence expenditure on the economy has been widely studied through different types of models. However, the results from these studies have not reached definitive conclusions, and have left a gap in the analysis of the impact of defence R&D expenditure at the economy level. Defence...

The demand model with constant price and income elasticities has been used extensively in applied agricultural economics. This paper analyzes the structure of incomplete systems of constant elasticity demand functions. It is demonstrated that there is a duality theory for incomplete demand...

Consumer's purchase decisions of whether to buy, what to buy and how much to buy are examined simultaneously. Based on a consumer utility maximization problem, an unobservable threshold price, about which a consumer pivots from nonpurchase to purchase, can be deduced. With any model...