Demand for Fresh Vegetables in the United States: 1970–2010

Table 4

Parameter estimates for eight fresh vegetables using LA/AIDS model (in levels).

Elasticity of	Price coefficients
	Cabbages	Carrots	Celery	Cucumbers	Lettuce	Onions	Peppers	Tomatoes	Income coeff.	Rho [DW]
Cabbages	0.0616	−0.0218	0.0014	−0.0090	−0.0074	−0.0025	−0.0062	−0.0199	−0.089	0.013[1.87]
	(12.79)	(−4.01)	(0.24)	(−1.05)	(−1.33)	(−0.73)	(−0.72)	(−2.72)	(−7.01)
Carrots	−0.0117	0.0468	−0.0199	−0.0212	−0.0009	−0.0095	0.0569	−0.0030	0.0247	0.367[1.19]
	(−1.61)	(3.82)	(−1.51)	(−1.10)	(−0.08)	(−1.21)	(2.91)	(−1.83)	(0.86)
Celery	0.0009	−0.0167	0.0542	−0.0051	−0.0073	−0.0014	0.0036	−0.0310	−0.1054	0.242[1.48]
	(0.21)	(−3.29)	(9.89)	(−0.63)	(−1.41)	(−0.44)	(0.45)	(−4.54)	(−8.89)
Cucumbers	0.0062	0.0040	−0.0005	0.0502	−0.0156	−0.0063	−0.0135	−0.0324	0.0434	0.357[1.20]
	(1.14)	(0.66)	(−0.07)	(5.15)	(−2.47)	(−1.60)	(−1.38)	(−3.90)	(3.01)
Lettuce	−0.0035	−0.0934	−0.0182	0.0027	0.1563	0.0106	0.0093	−0.1207	−0.3636	0.424[1.00]
	(−0.11)	(−2.52)	(−0.46)	(0.05)	(4.14)	(0.45)	(0.16)	(−2.43)	(−4.22)
Onions	−0.0098	0.0120	−0.0034	0.0018	−0.0283	0.0824	−0.0248	−0.0204	0.0856	0.411[1.13]
	(−1.16)	(1.26)	(−0.33)	(0.12)	(−2.90)	(13.57)	(−1.65)	(−1.59)	(3.86)
Peppers	−0.0115	0.0318	−0.0035	0.0198	−0.0429	−0.0358	0.0671	0.0169	0.3090	0.465[0.95]
	(−0.58)	(1.42)	(0.15)	(0.56)	(−1.87)	(−2.51)	(1.90)	(0.56)	(5.91)
Tomatoes	−0.0265	0.0372	−0.0101	−0.0392	−0.0538	−0.0373	−0.0917	0.2376	0.0953	0.174[1.42]
	(−1.46)	(1.81)	(−0.46)	(−1.23)	(−2.57)	(−2.86)	(−2.84)	(8.62)	(1.99)

Note: Numbers in parentheses are t-ratios, Rho: first-order autocorrelation coefficient, Durbin-Watson statistics in square brackets.