Número:
420
Publicado:
Clasificación JEL:
C22, C52
Palabras clave:
Deterministic shift, nonlinear autoregression, nonstationarity, nonlinear trend

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Juan Sebastián Mariño-Montaña, Daniela Rodriguez-Novoa, Camilo Eduardo Sánchez-Quinto
Camilo Gómez, Mariana Escobar-Villarraga, Ligia Alba Melo-Becerra, Hector Manuel Zárate-Solano
This paper contains a nonlinear, nonstationary autoregressive model whose intercept changes deterministically over time. The intercept is a flexible function of time, and its construction bears some resemblance to neural network models. A modeling techniq