It exists because most of the states and countries are selfish. They don't want free trade. They want to keep using their won goods and services; however, no nation can produce all the products its people want and need.
even i don't understand anything about this question :/
Country A has a lower opportunity cost for producing televisions.
Country A has a lower opportunity cost for producing televisions
Produce a good at a lower opportunity cost than another country.╓■Taxen■╖
Comparative advantage :)
Opportunity costs is the highest valued alternative that must be given up to engage in an activity. Comparative advantage is the ability of an individual, a firm, or an country to produce a good or service at a lower opportunity cost than competitors.
When the opportunity cost of its production is lower.
Country A has a lower opportunity cost for producing televisions.
Country A has a lower opportunity cost for producing televisions
Produce a good at a lower opportunity cost than another country.╓■Taxen■╖
Comparative advantage :)
Opportunity costs is the highest valued alternative that must be given up to engage in an activity. Comparative advantage is the ability of an individual, a firm, or an country to produce a good or service at a lower opportunity cost than competitors.
A country has comparative advantage if it can produce a good for less cost than any other nation. (study island)A comparative advantage is the condition that exists when someone can produce a good or service at a lower opportunity cost than someone else.
When they can produce it at a lower opportunity cost than other countries.
A nation will export goods for which it has a comparative advantage. By exporting goods, it has the comparative advantage because it means they have a lower opportunity cost for producing the good. A country can produce it well and can produce most likely a lot of it.
It has a lower opportunity cost for production of that good.
A country has comparative advantage if it can produce a good for less cost than any other nation. (study island)A comparative advantage is the condition that exists when someone can produce a good or service at a lower opportunity cost than someone else.
Lumber for one... wheat. There are many. Simply think of what products or services Canada has a low-cost for. In other words, if the product has a low opportunity cost to another product, then chances are that country will export or "produce" in comparative advantage.