Table 3. Empirical Results for Time Series Cross-Section Regression (double-logarithmic model
with price and quantity variables measured in ounces)
Dependent Variablesa
|
__________Citrus______________ |
______Apples__________ |
________Berries____________ | ||||
|
Store Variables Store 2 |
.078 |
(.792) |
-.028 |
(-.537) |
-.105 |
(-.801) |
|
Store 3 |
.31 |
(.392) |
-.078 |
(-1.939)** |
-.183 |
(-2.038)** |
|
Store 4 |
-2.292** |
(-6.612)* |
-.966 |
(-3.114)* |
-.862 |
(-2.953)* |
|
Store 5 |
-2.134** |
(-5.904)* |
-1.206 |
(-3.756)* |
-1.237 |
(-3.704)* |
|
Store 6_________________ |
-2.386** |
(-6.632)* |
-1.278 |
(-4.001)* |
-.969 |
(-2.931)* |
|
Other Variables Produce Sales |
.709 |
(5.379)* |
.813 |
(9.337)* |
1.508 |
(6.948)* |
|
Quantity Lagged |
.006 |
(.454) |
.016 |
(1.379) |
-.037 |
(-1.816)** |
|
Constant_______________ |
2.142** |
(1.264) |
-1.229 |
(-1.062) |
-5.895* |
(-2.168)** |
|
Price Variables Citrus Ab |
-1.405 |
(-14.527)* |
-.013 |
(-.349) |
.131 |
(1.364) |
|
Citrus Bc |
-.822 |
(-6.873)* |
----- |
----- |
----- |
----- |
|
Apples Ab |
.097 |
(.829) |
-1.539 |
(-16.231)* |
.239 |
(1.414) |
|
Apples Bc |
----- |
----- |
-.273 |
(-2.459)** |
----- |
----- |
|
Berries Ab |
.155 |
(2.893)* |
.069 |
(2.095)** |
-1.968** |
(-21.671)* |
|
Berries Bc |
----- |
----- |
----- |
----- |
-.148 |
(-1.298) |
|
Soft Fruit Ab |
.206 |
(2.622)* |
.121 |
(2.631)* |
.084 |
(.737) |
|
Soft Fruit Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Bananas Ab |
.051 |
(.624) |
.031 |
(.525) |
-.298 |
(-2.474)* |
|
Bananas Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Melons Ab |
.159 |
(3.613)* |
.114 |
(4.143)* |
.008 |
(.121) |
|
Melons Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Grapes Ab |
.159 |
(3.254)* |
.037 |
(1.162) |
.127 |
(1.690)** |
|
Grapes Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Fresh-cut Fruit Ab |
.090 |
(1.204) |
.049 |
(1.451) |
-.157 |
(-1.501) |
|
Fresh-cut Fruit Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Greens Ab |
.076 |
(.954) |
.039 |
(.902) |
.211 |
(2.132)** |
|
Greens Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Fresh-cut Salad Ab |
-.011 |
(-.075) |
-.246 |
(-2.612)* |
.142 |
(.615) |
|
Fresh-cut Salad Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Salad Vegetables Ab |
.191 |
(.810) |
.110 |
(.733) |
.388 |
(1.114) |
|
Salad Vegetables Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Major Vegetables Ab |
.232 |
(2.003)** |
.117 |
(1.642)** |
-.058 |
(-.327) |
|
Major Vegetables Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Chinese Vegetables Ab |
-.211 |
(-2.008)** |
-.056 |
(-.999) |
.106 |
(.775) |
|
Chinese Vegetables Bc |
----- |
----- |
----- |
----- |
----- |
----- |
|
Yellow Vegetables Ab |
-.014 |
(-.163) |
-.151 |
(-3.217)* |
.539 |
(4.204)* |
|
Yellow Vegetables Bc |
------ |
------- |
— |
------- |
------ |
------- |
a Numbers in parentheses are t-ratios for the associated parameters.
b Indicates the price elasticity estimate for all stores.
c Indicates the difference between the price elasticity for lower income stores and all stores.
* Indicates statistical significance at the .01 level.
** Indicates statistical significance at the .10 level.