This paper surveys the implications of "common knowledge" in interactive epistemology and game theory, with special emphasis on speculation, betting, agreeing to disagree, and coordination. The implications of approximate common knowledge are also analyzed. Approximate common knowledge is...

One approach to representing knowledge or belief of agents, used by economists and computer scientists, involves an infinite hierarchy of beliefs. Such a hierarchy consists of an agent's beliefs about the state of the world, his beliefs about other agents' beliefs about the world, his beliefs...

This chapter presents some of the implications for economic behavior of the hypotheses that events, actions, optimization, and rationality are common knowledge. The main conclusion is that an apparently innocuous assumption of common knowledge rules out speculation, betting, and agreeing to...

As the world becomes more financially integrated and complex, average individuals and their families are increasingly faced with making highly sophisticated and all-too-often irreversible financial decisions. Nowhere is this more evident than with regard to retirement decision-making. Indeed,...

Financial literacy and schooling attainment have been linked to household wealth accumulation. Yet prior findings may be biased due to noisy measures of financial literacy and schooling, as well as unobserved factors such as ability, intelligence, and motivation that could enhance financial...

This paper analyzes new data on financial literacy and financial sophistication from the 2008 Health and Retirement Study. We show that financial literacy is lacking among older individuals and for the first time explore additional questions on financial sophistication which proves even scarcer....

We examined financial literacy among the young using data from the 1997 National Longitudinal Survey of Youth. We showed that financial literacy is low among the young; fewer than one-third of young adults possess basic knowledge of interest rates, inflation, and risk diversification. Financial...

Financial literacy and schooling attainment have been linked to household wealth accumulation. Yet prior findings may be biased due to noisy measures of financial literacy and schooling, as well as unobserved factors such as ability, intelligence, and motivation that could enhance financial...

As the world becomes more financially integrated and complex, average individuals and their families are increasingly faced with making highly sophisticated and all-too-often irreversible financial decisions. Nowhere is this more evident than with regard to retirement decision-making. Indeed,...