Their use was
seen primarily to be in short-term forecasting. The potential value of modern time-series
methods in econometric research was, however, underlined in the work of Cooper (1972)
and Nelson (1972) who demonstrated the good forecasting performance of univariate
Box-Jenkins models relative to that of large econometric models. These results raised an
important question mark over the adequacy of large econometric models for forecasting as
well as for policy analysis. It was argued that a properly specified structural econometric
model should, at least in theory, yield more accurate forecasts than a univariate timeseries
model. Theoretical justification for this view was provided by Zellner and Palm
(1974), followed by Trivedi (1975), Prothero and Wallis (1976), Wallis (1977) and others.
These studies showed that Box-Jenkins models could in fact be derived as univariate final
form solutions of linear structural econometric models. In theory, the pure time-series
model could always be embodied within the structure of an econometric model and in
this sense it did not present a ‘rival’ alternative to econometric modelling. This literature
further highlighted the importance of dynamic specification in econometric models and in
particular showed that econometric models that are out-performed by simple univariate
time-series models most probably suffer from specification errors.
Their use was
seen primarily to be in short-term forecasting. The potential value of modern time-series
methods in econometric research was, however, underlined in the work of Cooper (1972)
and Nelson (1972) who demonstrated the good forecasting performance of univariate
Box-Jenkins models relative to that of large econometric models. These results raised an
important question mark over the adequacy of large econometric models for forecasting as
well as for policy analysis. It was argued that a properly specified structural econometric
model should, at least in theory, yield more accurate forecasts than a univariate timeseries
model. Theoretical justification for this view was provided by Zellner and Palm
(1974), followed by Trivedi (1975), Prothero and Wallis (1976), Wallis (1977) and others.
These studies showed that Box-Jenkins models could in fact be derived as univariate final
form solutions of linear structural econometric models. In theory, the pure time-series
model could always be embodied within the structure of an econometric model and in
this sense it did not present a ‘rival’ alternative to econometric modelling. This literature
further highlighted the importance of dynamic specification in econometric models and in
particular showed that econometric models that are out-performed by simple univariate
time-series models most probably suffer from specification errors.
การแปล กรุณารอสักครู่..

Their use was
seen primarily to be in short-term forecasting. The potential value of modern time-series
methods in econometric research was, however, underlined in the work of Cooper (1972)
and Nelson (1972) who demonstrated the good forecasting performance of univariate
Box-Jenkins models relative to that of large econometric models. These results raised an
important question mark over the adequacy of large econometric models for forecasting as
well as for policy analysis. It was argued that a properly specified structural econometric
model should, at least in theory, yield more accurate forecasts than a univariate timeseries
model. Theoretical justification for this view was provided by Zellner and Palm
(1974), followed by Trivedi (1975), Prothero and Wallis (1976), Wallis (1977) and others.
These studies showed that Box-Jenkins models could in fact be derived as univariate final
form solutions of linear structural econometric models. In theory, the pure time-series
model could always be embodied within the structure of an econometric model and in
this sense it did not present a ‘rival’ alternative to econometric modelling. This literature
further highlighted the importance of dynamic specification in econometric models and in
particular showed that econometric models that are out-performed by simple univariate
time-series models most probably suffer from specification errors.
การแปล กรุณารอสักครู่..
