Empirically Analyzing the Impacts of U.S. Export Credit Programs on U.S. Agricultural Export Competitiveness

Table 2: Results of the Randon Effects (RE) Models

Variable	Description	Model I-More than 180 days	Model II-180 days
LPRAT	Ratio of import prices between the United States and the Rest of the world (ROW)_________	-0.28 (0.30)	-0.27 (0.30)
LEXRATE	Exchange rate between importers and the United States_____________________	-0.86 (0.19)***	-0.85 (0.19)***
LGDP	GDP of the importing countries_________________	0.47 (0.20)**	0.45 (0.20)**
LDOMPRD	Domestic production of Wheat in the importing countries_________________	-0.31 (0.86)***	-0.31 (0.08)***
LPVC	Cost Saving of the importing countries______	0.03 (0.031)**	0.025 (0.01)**
Davidson-Mackinnon test of exogeneity_______		F(1,57)=2.42 p=0.12	F(1,57)=2.24 p=0.13
Wooldridge test for serial correlation_________		F(1,6)=2.17 p=0.191	F(1,6)=2.07 p=0.199
Durbin-Wu-Hauman test- Fixed effect model vs random effects model		X² (5) = 39.34 p=0.00***	χ² (5)= 29.99 p=0.00***
Breusch and Pagan Lagrangian Mutiplier test for random effects		χ² (1) = 23.06 p=0.00***	X 2 (1)= 22.86 p=0.00***

*** and ** indicate significance at the one and five percent level respectively. Numbers in parenthesis are
for the standard errors.