User:Nick Gardner /Sandbox

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The Keynesian equation system

Let
    y = national income




The demand for money

M = lPy + L(y)

The consumption function

s = s(y)

The production function

y = y(n)

The labour market

dy/dn = W/P

Investment

i = i(r)

Savings

s = i

Sticky wages

W =Wo,