High duties and prohibitions giving a monopoly to a particular home industry are very common.
They encourage the particular industry, but neither increase general industry nor give it the best direction.
The number of persons employed cannot exceed a certain proportion to the capital of the society,
and every man’s interest leads him to seek that employment of capital which is most advantageous to the society.
(1) He tries to employ it as near home as possible
(2) He endeavours to produce the greatest possible value.
He can judge of this much better than the statesman.
High duties and prohibitions direct people to employ capital in producing at home what they could buy cheaper from abroad
It is as foolish for a nation as for an individual to make what can be bought cheaper.
Sometimes by such regulations a manufacture may be established earlier than it would otherwise have been, but this would make capital accumulate slower,
and the country might always be just as rich if it never acquired the manufacture.
No one proposes that a country should strive against great natural advantages, but it is also absuid to strive against smaller advantages whether natural or acquired.
Merchants and manufacturers get the most benefit from high duties and prohibitions.
The free importation of foreign cattle would make no great difference to British graziers.
It might even benefit the cultivated plains at the expense of the rugged mountainous districts.
The free importation of salt provisions also would make little difference to the graziers,
and even the free importation of corn would not much affect the farmers.
Country gentlemen and farmers are less subject to the spirit of monopoly than merchants and manufacturers.
The prohibition of foreign corn and cattle restraints the population.
There are two cases which are exceptional,
(1) when a particular industry is necessary for the defence of the country, like shipping, which is properly encouraged by the act of navigation,
a wise act, though dictated by animosity,
and unfavourable to foreign commerce;
and (2) when there is a tax on the produce of the like home manufacture.
Some people say that this principle justifies a general imposition of duties on imports to counterbalance taxes levied at home on necessaries,
but there is a difference,
since (a) the effect of taxes on necessaries cannot be exactly known,
and (b) taxes on necessaries are like poor soil or bad climate: they cannot justify an attempt to give capital an unnatural direction.
Taxes on necessaries are commonest in the richest countries because no others could support them
There are two other possible exceptions to the general principle
(1) Retaliation
may be good policy where it is likely to secure the abolition of foreign restraints.
(2) It may be desirable to introduce freedom of trade by slow gradations. But the disorder occasioned by its sudden introduction would be less than is supposed since
(a) no manufacture which is now exported would be affected;
(b) the people thrown out of one employment would easily find another, especially if the privileges of corporations and the law of settlement were abolished.
Private interests are too strong to allow of the restoration of freedom of trade in Great Britain.
The fact that equitable regard is due to the manufacturer who has fixed capital in his business is an argument against the establishment of new monopolies.
Customs duties imposed for revenue remain to be considered hereafter