This paper proposes a theoretical framework for studying the invention of new products when demand is uncertain. In … this framework, under general conditions, the threat of ex post entry by a competitor can deter invention ex ante … operating system monopolist, by its mere presence, can deter the invention of complements, to its own detriment as well as that …

are taken into account. The paper proposes a theory of innovation and market structure, showing that the relation between … innovation and competition depends on horizontal spillovers, vertical spillovers, and cooperative settings. The private …

. Uniting Schumpeter's concern for innovation with Keynes' concern for uncertainty and expectations formation, this article … focuses on the behaviour of entrepreneurs confronting uncertainty caused by innovation. Entrepreneurs' behaviour is … opened up by a successful innovation generates a state of optimism in the minds of single entrepreneurs, which eventually …