A: Technical level; W: actual salary; P: GDP of actual working hours: GDP = C+I+G+(X-M) = C+I+G+NX (expenditure method).
; GNP: gross national product
NDP: net gross domestic product (NDP=GDP- depreciation); NNP: net gross national product (NNP=GNP- depreciation); Ni: national income =Y
C: (consumption) residents' consumption expenditure; PI: personal income; DPI: disposable personal income; CPI: Consumer price index; Producer price index: producer price index
CRB: commodity futures price index; L: total labor force (l = n+u); U: unemployment rate (u = u/l); N: employment rate (n=N/L)
ECI: employment cost index; N: employment; lose one's job
1. (Investment) Enterprise investment
G: (government procurement) government procurement expenditure; T: (tax) government tax; TR: government transfer payment
NX: net outlet (x-m; X: export, m: import)
I: investment; S: savings; T: tax; G: government procurement; X: exit; M: import; Y: disposable income
APC: average propensity to consume; Marginal propensity to consume; APS: average propensity to save; MPS: marginal propensity to save
MDT: transaction capital requirements
Ki: investment multiplier (+); Kg: government purchase multiplier (+); Kt: tax multiplier (-); KB: balanced budget multiplier (KB = kg+KT =1); Ktr: government transfer payment multiplier; Kx: export multiplier; Km: import multiplier
K: share capital (Δ δK = I)
R0: present value or principal; Rn: the sum of future income or final principal and interest in the nth year; R: annual interest rate; Rn=R0( 1+r)n
Pk: the supply price of capital goods; MEC: marginal efficiency of capital, which is a discount rate.
D: the response of investment demand to the change of interest rate; E: spontaneous investment
α: marginal propensity to save; β: Marginal propensity to consume
I: investment; save
IS curve _: the equilibrium of commodity market; LM curve: the supply and demand of money are equal
MS: nominal money supply; V: the speed of money circulation; L: money demand; L 1: transaction demand and prevention demand of currency; L2: Speculative demand for money; L 1(y): transaction currency demand; L2: Demand for speculative funds
M: money supply (nominal); M: money supply (actual); Total money demand
GT: government transfer payment; GP: government purchase; New Taiwan dollar: government net tax = government procurement GP
For example: exit; IM: importing
K: the response degree of transaction currency demand to income changes; H: The response of speculative money demand to interest rate changes.