What is difference between open end and closed end economy?

Open economy's will export & import goods and services.

Closed economies put heavy restrictions on importing goods and services. The closed economies can put restrictions on through tarrifs, and laws to protect it's citizens jobs, resources, and management.

Some have mixed economies like Russia. The airline industry in Russia will only hire Russian Piolets. This is creating a shortage of piolets and therefore increase the wages for the jobs. However, Russia still imports many other goods & services.

Another example of closing the economy is Thiland is restricting the export of rice. Thiland is the #1 exporter of rice in the world. This is creating shortags world wide and felt most severly in African nations.