The introduction of the accounting standards SFAS 123R and IFRS 2 forexecutive stock options has led to an important change. As companies arenow forced to value their stock options at grant date for accounting purposes,the robustness of prices against the choice of certain valuation models...

Strong growth in disposable income has driven, and is still driving, consumption to unprecedented,but not sustainable levels. To explain the dynamic interplay of needs, need satisfaction, andinnovation underlying that growth a behavioral theory of consumption is suggested and discussedwith...