a vector of strings containing the names of netput prices.
fixNames
an optional vector of strings containing the names of the
quantities of (quasi-)fix inputs.
data
a data frame containing the data.
weights
vector of weights of the prices for normalization.
quantNames
optional vector of strings containing the names of netput
quantities.
scalingFactors
factors to scale prices (and quantities).
coef
a list containing the coefficients alpha, beta, delta and gamma.
form
the functional form to be estimated (see snqProfitEst).
Value
a data frame: the first n columns are the netput quantities,
the last column is the profit.
Author(s)
Arne Henningsen
References
Diewert, W.E. and T.J. Wales (1987)
Flexible functional forms and global curvature conditions.
Econometrica, 55, p. 43-68.
Diewert, W.E. and T.J. Wales (1992)
Quadratic Spline Models for Producer's Supply and Demand Functions.
International Economic Review, 33, p. 705-722.
Kohli, U.R. (1993)
A symmetric normalized quadratic GNP function and the US demand
for imports and supply of exports.
International Economic Review, 34, p. 243-255.