
| Microcomputers In Policy Research 4b - Key to Exercises in CGE Modeling Using GAMS (includes software) (IFPRI, 2000, 69 p.) |
|
NOTATION |
a Î A |
activities |
| | |
{AGR-A agricultural activity |
|
Sets |
|
NAGR-A nonagricultural activity} |
| |
c Î C |
commodities |
| |
|
{AGR-C agricultural commodity |
| | |
NAGR-C nonagricultural commodity} |
| |
f Î F |
factors |
| | |
{LAB labor |
| | |
CAP capital} |
| |
h Î H |
households |
| | |
{U-HHD urban household |
| | |
R-HHD rural household} |
| | | |
|
Parameters |
ada |
efficiency parameter in the production function for activity a |
|
|
cpi |
consumer price index (CPI) |
| |
cwtsc |
weight of commodity c in the CPI |
| |
icaca |
qnty of c as intermed. input per unit of output in activity a |
| |
mpsh |
marginal (and average) propensity to save for household h |
| |
qfsf |
supply of factor f |
| |
pwmc |
import price (foreign currency) |
| |
|
base-year qnty of investment demand for commodity c |
| |
shryhf |
share for household h in the income of factor f |
| |
wfdistfa |
wage distortion factor for factor f in activity a |
| |
afa |
share of value-added to factor f in activity a |
| |
bch |
share in household h consumption spending of commodity c |
|
|
qac |
yield of output c per unit of activity a |
| | | |
|
Variables |
IADJ |
investment adjustment factor |
| |
Pc |
market price of commodity c |
| |
PAa |
price of activity a |
| |
PVAa |
value-added (or net) price of activity a |
| |
Qc |
output level in commodity c |
| |
QAa |
level of activity a |
| |
QFfa |
demand for factor f from activity a |
| |
QHch |
consumption of commodity c by household h |
| |
QINTca |
qnty of commodity c as intermediate input in activity a |
|
|
QINVc |
quantity of investment demand for commodity c |
| |
WALRAS |
dummy variable (zero at equilibrium) |
| |
WFf |
average wage (rental rate) for factor f |
| |
YFhf |
income of household h from factor f |
| |
YHh |
income of household h |
|
EQUATIONS |
|
(1) |
|
Production and Commodity Block |
|
(2) |
| |
|
(3) |
| |
|
(4) |
| |
|
(5) |
| |
|
(6) |
|
Institution Block |
|
(7) |
| |
|
(8) |
| |
|
(9) |
| |
|
(10) |
|
System Constraint Block |
|
(11) |
| |
|
(12) |
| |
|
(13) |
| |
|
(14) |