Example image of eyePlorer eyePlorer map for 'Irving Fisher': 1867 1947 April 29 Economics Eugenics February 27 Neoclassical economics Saugerties United States Fisher equation Fisher hypothesis Fisher separation theorem Yale University Skull and Bones Mathematics Doctor of Philosophy Josiah Willard Gibbs William Graham Sumner Francis Ysidro Edgeworth Money illusion Quantity theory of money Equation of exchange Gross domestic product Nominal interest rate Real interest rate Inflation rate Distributed lag Inflation Phillips curve Unemployment Price index Capital (economics) Interest rate Investment Bond market Capital budgeting Relative price Vector space Great Depression Wall Street Crash of 1929 Deflation John Maynard Keynes Tuberculosis American Eugenics Society Eugenics Record Office Henry Cotton (doctor) Jack Hirshleifer James Tobin The New Palgrave Dictionary of Economics Federal Reserve Bank of St Louis