VCE · Economics · Aggregate Supply Policieslive from the app
Market-Based Supply Policies
Market-based supply policies do not buy capacity; they change what it pays to do. Company tax reform raises the after-tax return on investment, so firms add capital and each worker produces more. Competition policy, deregulation and trade liberalisation add rivals, so firms must cut unit costs and X-inefficiency to survive. Both chains end in higher productivity and a larger productive capacity: LRAS shifts right and the price level falls along the AD curve.
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in the wild
Supply-side policy works like renovating your kitchen.
Demand policies slide the economy along a line. Supply policies move the line. Slower, and it lasts longer.
Your cramped kitchen sits with materials piled, unable to make much yet.
Tradies slowly build new benches — messy, disruptive, no meals during the work.
Finished, the kitchen cooks far more than before, permanently.
what examiners catch — Students jump from the policy straight to LRAS, or cite a personal income tax cut as supply policy without naming the work incentive. What is wanted is the chain: the tax or barrier changed, the behaviour it alters in firms or workers, the cost or productivity effect, then the shift in LRAS and the fall in the price level.
what you leave with
five things, not forty.
Tax reform works through the after-tax return: a higher return on investment lifts investment, capital per worker and productive capacity.
Competition policy and deregulation work through pressure: more rivals force firms to cut unit costs and X-inefficiency, lifting productivity.
Trade liberalisation exposes domestic producers to world prices, so the same cost-cutting pressure arrives through imports.
Every chain ends the same way: more capital or higher productivity means a larger productive capacity, so LRAS shifts right and the price level falls along AD.
A personal income tax cut is supply-side only through the incentive to work more; its disposable-income effect lifts AD and is demand-side.
Lower unit costs also improve international competitiveness, because Australian output can be sold at a lower price without a thinner margin.
what's underneath
nothing here is a standalone fact.
knowhere maps every concept to what it rests on and what rests on it — 4 underneath this one, 1 built on top. Each one says why, in a sentence, not as an arrow on a diagram.
this conceptmarket-based supply policiesAn AD/LRAS chart with a four-stage transmission chain beneath it.
sits under itwhat supply-side policy doesbecause the categories follow the purpose
sits under itaggregate supplybecause The picture is an LRAS shift; the student must already read an AD/LRAS diagram.
sits under itwhat drives productivitybecause Both chains pass through productivity before they reach capacity.
sits under itmarket structures and market powerbecause Competition policy only makes sense once market power and X-inefficiency are familiar.
built on itstrengths and weaknesses of supply policiesbecause Deregulation and tax reform are the examples that carry equity costs.
the rest of aggregate supply policies
3 more, same treatment.
Each one is its own knowscape in the app — built for how a particular student takes things in, not one explanation handed to everybody.
productivity and training policiesin the appstrengths and weaknesses of supply policiesin the appwhat supply-side policy doesin the app
this is one of 865
they don't read it. they run it.
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