Four sectors of the economy are the primary sector, the secondary sector, the tertiary sector and the quaternary sector. The various sectors are defined by population engagement and by relationship to the Earth's raw mat... More »

In the three-sector theory of economics, the business sector is divided into three types: the primary sector of raw materials, the secondary sector of manufacturing, and the tertiary sector of sales and services. Additio... More »

Primary industries or sectors are concerned with extracting and acquiring raw materials, secondary industries revolve around manufacturing products from raw materials and tertiary industries focus on services that suppor... More »

The quaternary sector of an economy refers to the portion of a workforce comprised of highly skilled individuals who are proficient in information services or fields based on knowledge. As an emerging characteristic of t... More »

Secondary economic activity, also known as the secondary sector of an economy, is the portion of the economy that is concerned with receiving raw materials and transforming them into serviceable items, properties or othe... More »

Turkey's economy is mostly a free-market economy that is driven by its industry, service and agriculture sectors. Its estimated gross domestic product GDP purchasing power as of 2013 is 1.167 trillion. More »

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In the three-sector theory of economics, the business sector is divided into three types: the primary sector of raw materials, the secondary sector of manufacturing, and the tertiary sector of sales and services. Additio... More »