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Bell, Trevor : Unemployment in South Africa

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to call for qualification. Let us say that an economy is subject to<br />

a s<strong>in</strong>gle exogenous shock, <strong>in</strong> the form of higher energy prices or a<br />

sudden burst of <strong>in</strong>tensified competition from foreign producers of<br />

mhnufactured goods and that this necessitates substantial structural<br />

change. The adjustment to such a s<strong>in</strong>gle external shock might be<br />

exceed<strong>in</strong>gly protracted.<br />

It may for <strong>in</strong>stance, ;quire substantial retra<strong>in</strong><strong>in</strong>g of the labour<br />

force; a reallocation of labour among different skill levele (both<br />

upwards and - <strong>in</strong> the case of workers too old or otherwise unfit to be<br />

retra<strong>in</strong>ed for other skilled jobs - downwards) and among different<br />

sectors and regions;<br />

a reallocation of <strong>in</strong>vestment resources away<br />

from <strong>in</strong>dustries mak<strong>in</strong>g <strong>in</strong>tensive use of energy and twards energy<br />

produc<strong>in</strong>g sectors, and a general alteration of the structure of the<br />

stock of productive capital.<br />

Also for various good reasons (not<br />

simply because of government <strong>in</strong>tervention or the unreasonable<br />

stubborness of workers) relative and absolute levels of real wages<br />

may be <strong>in</strong>flexible1 ) .<br />

Furthermore, it should be noted that <strong>in</strong> the middle of a period of<br />

prolonged stagnation <strong>in</strong> the world economy even thoroughgo<strong>in</strong>g<br />

competition domestically <strong>in</strong> a particular national economy will not<br />

necessarily ensure movement towards full employment. For contrary to<br />

widespread op<strong>in</strong>ion, the price and wage elasticities of demand for<br />

goods and labour respectively may be very low even <strong>in</strong> the case of a<br />

small, open economy, <strong>in</strong> certa<strong>in</strong> world economic conditions. Sometimes<br />

1) For <strong>in</strong>stance it may be necessary for some skilled workers thrown out<br />

of their jobs to offer themselves at substantially reduced rates of<br />

pay <strong>in</strong> the unskilled labour market <strong>in</strong> order for markets to "clear":<br />

they may not readily do this and, perhaps rightly. society may not<br />

expect them to do so. Also the elasticity of the demand for labour<br />

may be so lar, tak<strong>in</strong>g <strong>in</strong>to account the adverse effect of general wage<br />

cuts on the demand for goods and services, that the new equilibrium<br />

wage levels may require a decrease <strong>in</strong> the real wage bill accru<strong>in</strong>g to<br />

workers as a whole. In these circumstances they may be expected to<br />

resist wage reductions determ<strong>in</strong>edly (See Solow (1980) on this and<br />

other issues pert<strong>in</strong>ent to our discussion).

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