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Graph of number of coupons, n vs the expected number of trials (i.e., time) needed to collect them all, E (T ) In probability theory, the coupon collector's problem refers to mathematical analysis of "collect all coupons and win" contests.
The United States Consumer Price Index ( CPI) is a family of various consumer price indices published monthly by the United States Bureau of Labor Statistics (BLS). The most commonly used indices are the CPI-U and the CPI-W, though many alternative versions exist for different uses. For example, the CPI-U is the most popularly cited measure of ...
John Hull and Alan White, "One factor interest rate models and the valuation of interest rate derivative securities," Journal of Financial and Quantitative Analysis, Vol 28, No 2, (June 1993) pp. 235–254. John Hull and Alan White, "Pricing interest-rate derivative securities", The Review of Financial Studies, Vol 3, No. 4 (1990) pp. 573–592.
Inflationary bias. Inflationary bias is the outcome of discretionary monetary policy that leads to a higher than optimal level of inflation. Depending on the way expectations are formed in the private sector of the economy, there may or may not be a transitory income increase. The term may also refer to the practice of a public debt-ridden ...
Fisher equation. In financial mathematics and economics, the Fisher equation expresses the relationship between nominal interest rates, real interest rates, and inflation. Named after Irving Fisher, an American economist, it can be expressed as real interest rate ≈ nominal interest rate − inflation rate. [1] [2]
In fact, the monthly mortgage payment for homeowners who bought in 2022 and 2023 was $2,100, the Fed found, while those who bought earlier than that are only paying $1,400 a month. Still, newer ...
Built-in inflation. Built-in inflation is a type of inflation that results from past events and persists in the present. Built-in inflation is one of three major determinants of the current inflation rate. In Robert J. Gordon 's triangle model of inflation, the current inflation rate equals the sum of demand-pull inflation, cost-push inflation ...
Just 13.5% of consumers said jobs were "hard to get," down from 15.5% in April. This comes as the economy has continued to show more resilience than many expected. While the unemployment rate ...