We derive an estimator for the time of change in a linear model when the regression coefficients and the variance may change. The asymptotic distribution of the estimator is computed. The method is used to construct confidence interval for the time of change in gross domestic product in the United States between 1929 and 1967.
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Univ Nacl Litoral, IMAL, RA-3450 Guemes, Santa Fe, ArgentinaUniv Nacl Litoral, IMAL, RA-3450 Guemes, Santa Fe, Argentina
Bergesio, Andrea
Yohai, Victor J.
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Univ Buenos Aires, Fac Ciencias Exactas & Nat, Dept Matemat, RA-1428 Buenos Aires, DF, ArgentinaUniv Nacl Litoral, IMAL, RA-3450 Guemes, Santa Fe, Argentina
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Univ Buenos Aires, RA-1053 Buenos Aires, DF, ArgentinaUniv Buenos Aires, RA-1053 Buenos Aires, DF, Argentina
Valdora, Marina
Yohai, Victor J.
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Univ Buenos Aires, RA-1053 Buenos Aires, DF, Argentina
Consejo Nacl Invest Cient & Tecn, RA-1033 Buenos Aires, DF, ArgentinaUniv Buenos Aires, RA-1053 Buenos Aires, DF, Argentina