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Australia's Gambling Industries - Productivity Commission

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Figure C.6<br />

Demand for gambling by problem gamblers<br />

Price<br />

p 0 p<br />

p1 0 p<br />

p(1+t)p<br />

p p<br />

D1p<br />

D 0 p<br />

Dp<br />

D1 0 p<br />

q1 0 p<br />

q1p<br />

q 0 p<br />

qp<br />

Quantity<br />

For current consumption:<br />

p(1+t) p =<br />

p p =<br />

p 0 p =<br />

q p =<br />

D p =<br />

ε p =<br />

the price of gambling (including tax ‘t’) faced by problem gamblers.<br />

This is assumed to be (1-the probability of winning).<br />

price excluding tax.<br />

the price at which demand equals zero assuming (for simplicity) a<br />

linear demand schedule (D p ).<br />

the ‘quantity’ of gambling product consumed by problem gamblers at<br />

the current price. This is estimated by dividing the known amount of<br />

money spent (lost) on gambling in a year by the price.<br />

the demand schedule for gambling products by problem gamblers.<br />

the price elasticity of demand for gambling products by problem<br />

gamblers estimated around the current price.<br />

The area [p(1+t) p *q p ] is the total expenditure (loss) by problem gamblers in a year.<br />

The area [(p(1+t) p - p p )*q p ] is the total annual amount of tax revenue collected on the<br />

expenditure by problem gamblers.<br />

D 0 p =<br />

the demand for gambling if gamblers were actually required to pay the<br />

consumer surplus associated with consuming gambling products.<br />

C.20 GAMBLING

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