Man pages for gravity
Estimation Methods for Gravity Models

BVUBonus vetus OLS, BVU
BVWBonus vetus OLS, BVW
DDMDouble Demeaning, DDM
EK_TobitEaton and Kortum (2001) Tobit model, EK_Tobit
ET_TobitEaton and Tamura (1994) threshold Tobit model, ET_Tobit
Fixed_EffectsFixed_Effects
GPMLGamma Pseudo Maximum Likelihood, GPML
Gravity_no_zerosGravity dataset without zero trade flows
Gravity_zerosGravity dataset with zero trade flows
NBPMLNegative Binomial Pseudo Maximum Likelihood, NBPML
NLSNonlinear Least Squares, NLS
OLSOLS
PPMLPoisson Pseudo Maximum Likelihood, PPML
SILSStructural Iterated Least Squares, SILS
TetradsTetrads
TobitLeft-censored Tobit model with known threshold
gravity documentation built on Dec. 14, 2017, 5:07 p.m.