All industry is made up of four sectors that are a linked together like a chain: primary, secondary, tertiary and quaternary industry. Industries in the primary and secondary sectors are the ...

In economics, there are four big sectors. They include the primary, secondary, tertiary, and quarternary sectors, each of which has many sub-sectors. In the financial markets, economic sectors are ...

Primary dunes are composed of sand blown directly from the beach face (active beach), whereas secondary dunes develop ... Blowouts are erosional dune landforms that are typically trough-, bowl ...

Working Papers describe research in progress by the author(s) and are published to elicit comments and to further debate Using a dataset which breaks down FDI flows into primary, secondary and ...