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This paper provides the first causal estimates of the global social returns to U.S. public R&D. We use a narrative identification strategy to quantify the effects of exogenous shocks to U.S. R&D appropriations on the dynamic TFP response of 69 foreign economies from 1980–2019. A U.S. R&D appropriations shock equal to 1 percent of the…
Exchange of letters between the Governor and the Chancellor
The law of diminishing marginal utility is one of the foundational principles of economics, but its significance extends far beyond the marketplace. The principle states that as a person acquires additional units of a good, the satisfaction gained from each successive unit tends to decline. The first glass of water relieves intense thirst, the second…
Perseus Mining June 2026 slides: record cashflow, Nyanzaga on track
