This article determines the sample size required to construct a confidence interval for the success probability of an event with preassigned width 2d and confidence level 1-[alpha]. For [alpha]=0.10,0.05,0.01 and d=0.01(0.01)0.05, the sample size is tabulated and the corresponding confidence...

Cointegration and vector autoregression are used to examine relationships among exports, imports, and income in Taiwan from 1971 to 1995. These three series are cointegrated. There is bidirectional Granger causality between exports and imports, and between imports and income. Impulse responses...