- In a
variety of contexts,
exogeny or
exogeneity (from Gr**** ἔξω éxō 'outside' and -γένεια -géneia 'to produce') is the fact of an
action or
object originating...
- model, the
notion of the
usual exogeneity,
sequential exogeneity, strong/strict
exogeneity can be defined.
Exogeneity is
articulated in such a way that...
-
correlated with ****ure values. This is a
weaker restriction than
strict exogeneity,
which requires the
variable to be
uncorrelated with past, present, and...
- x_{it}} . To be unbiased, the
fixed effects estimator (FE)
requires strict exogeneity,
defined as E [ u i t | x i 1 , x i 2 , . . , x i T ] = 0 {\displaystyle...
- ]=\sigma ^{2}.} If the
strict exogeneity does not hold (as is the case with many time
series models,
where exogeneity is ****umed only with
respect to...
- In statistics, the Gauss–Markov
theorem (or
simply Gauss theorem for some authors)
states that the
ordinary least squares (OLS)
estimator has the lowest...
- In
marketing strategy, first-mover
advantage (FMA) is the
competitive advantage gained by the
initial ("first-moving")
significant occupant of a market...
- y_{it-1}+u_{it}.} The
presence of the
lagged dependent variable violates strict exogeneity, that is,
endogeneity may occur. The
fixed effect estimator and the first...
-
caused exogenously dates to Say's law, and much
debate on
endogeneity or
exogeneity of
causes of the
economic cycle is
framed in
terms of re****ing or supporting...
- Engle,
Robert F.; Hendry,
David F.; Richard, Jean-Francois (1983). "
Exogeneity". Econometrica. 51 (2). (with
David F.
Hendry and Jean-Francois Richard):...
