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  2. Trade barrier - Wikipedia

    en.wikipedia.org/wiki/Trade_barrier

    t. e. Trade barriers are government-induced restrictions on international trade. [1] According to the theory of comparative advantage, trade barriers are detrimental to the world economy and decrease overall economic efficiency. Most trade barriers work on the same principle: the imposition of some sort of cost (money, time, bureaucracy, quota ...

  3. Barriers to entry - Wikipedia

    en.wikipedia.org/wiki/Barriers_to_entry

    v. t. e. In theories of competition in economics, a barrier to entry, or an economic barrier to entry, is a fixed cost that must be incurred by a new entrant, regardless of production or sales activities, into a market that incumbents do not have or have not had to incur. [1] Because barriers to entry protect incumbent firms and restrict ...

  4. Automated border control system - Wikipedia

    en.wikipedia.org/wiki/Automated_border_control...

    Automated border control system. Automated border control systems (ABC) or eGates are automated self-service barriers which use data stored in a chip in biometric passports along with a photo or fingerprint taken at the time of entering the eGates to verify the passport holder's identity. Travellers undergo biometric verification using facial ...

  5. Berlin border crossings - Wikipedia

    en.wikipedia.org/wiki/Berlin_border_crossings

    The Berlin border crossings were border crossings created as a result of the post- World War II division of Germany. Prior to the construction of the Berlin Wall in 1961, travel between the Eastern and Western sectors of Berlin was completely uncontrolled, although restrictions were increasingly introduced by the Soviet and East German ...

  6. General Agreement on Tariffs and Trade - Wikipedia

    en.wikipedia.org/wiki/General_Agreement_on...

    The General Agreement on Tariffs and Trade is a multi-national trade treaty. It has been updated in a series of global trade negotiations consisting of nine rounds between 1947 and 1995. Its role in international trade was largely succeeded in 1995 by the World Trade Organization. During the 1940s, the United States sought to establish a set of ...

  7. Border control - Wikipedia

    en.wikipedia.org/wiki/Border_control

    Border control comprises measures taken by governments to monitor [ 1 ] and regulate the movement of people, animals, and goods across land, air, and maritime borders. While border control is typically associated with international borders, it also encompasses controls imposed on internal borders within a single state.

  8. Crossing the inner German border - Wikipedia

    en.wikipedia.org/wiki/Crossing_the_inner_German...

    Crossing the inner German border. Crossing the inner German border remained possible throughout the Cold War; it was never entirely sealed in the fashion of the border between the two Koreas, though there were severe restrictions on the movement of East German citizens. [2] The post-war agreements on the governance of Berlin specified that the ...

  9. Fortifications of the inner German border - Wikipedia

    en.wikipedia.org/wiki/Fortifications_of_the...

    The inner German border was a complex system of interlocking fortifications and security zones 1,381 kilometres (858 mi) long and several kilometres deep, running from the Baltic Sea to Czechoslovakia. The outer fences and walls were the most familiar and visible aspect of the system for Western visitors to the border zone, but they were merely ...