functional form misspecification
[/ˌfʌŋkʃənəl fɔːrm ˌmɪsspɛsɪfɪˈkeɪʃən/]
nounpl: functional form misspecifications
especificação incorreta da forma funcional
1. In econometrics and statistics, an error that occurs when the assumed mathematical relationship between variables in a regression model does not match the true underlying relationship in the data
The researcher discovered functional form misspecification when plotting residuals revealed a systematic pattern rather than random scatter.
O pesquisador descobriu especificação incorreta da forma funcional quando o gráfico de resíduos revelou um padrão sistemático em vez de dispersão aleatória.
2. A type of model specification error where the functional form (linear, logarithmic, polynomial, etc.) chosen for the econometric model is incorrect
Functional form misspecification can lead to biased and inconsistent parameter estimates.
A especificação incorreta da forma funcional pode levar a estimativas de parâmetros enviesadas e inconsistentes.
This is a technical term primarily used in academic and professional settings within econometrics, statistics, and quantitative research. It is fundamental to econometric education in both Brazil and Portugal. The concept is emphasized in graduate-level econometrics courses as a critical concern for model validity. In Brazilian universities, this topic is extensively covered as part of econometric methodology courses.
Related Idioms & Phrases
to misspecify the functional form
functional form problem in the model
getting the functional form wrong
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