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The international Fisher effect (sometimes referred to as Fisher's open hypothesis) is a hypothesis in international finance that suggests differences in nominal interest rates reflect expected changes in the spot exchange rate between countries.
In economics, the Fisher effect is the tendency for nominal interest rates to change to follow the inflation rate. It is named after the economist Irving Fisher , who first observed and explained this relationship.
Joan Box, Fisher's biographer and daughter states in her 1978 book, The Life of a Scientist [4] that Fisher, then a student, had resolved this problem in 1911. Fisher had originally submitted his paper (then entitled "The correlation to be expected between relatives on the supposition of Mendelian inheritance") to the Royal Society of London ...
The Fisher equation plays a key role in the Fisher hypothesis, which asserts that the real interest rate is unaffected by monetary policy and hence unaffected by the expected inflation rate. With a fixed real interest rate, a given percent change in the expected inflation rate will, according to the equation, necessarily be met with an equal ...
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In general, the Fisher information matrix provides a Riemannian metric (more precisely, the Fisher–Rao metric) for the manifold of thermodynamic states, and can be used as an information-geometric complexity measure for a classification of phase transitions, e.g., the scalar curvature of the thermodynamic metric tensor diverges at (and only ...
Matthew Perry and Tricia Leigh Fisher out together in Los Angeles on November 15, 1987. (Photo: Barry King/WireImage) (Barry King via Getty Images)
In economics, the hold-up problem is central to the theory of incomplete contracts, and shows the difficulty in writing complete contracts. A hold-up problem arises when two factors are present: Parties to a future transaction must make noncontractible relationship-specific investments before the transaction takes place.