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  2. Balance of trade - Wikipedia

    en.wikipedia.org/wiki/Balance_of_trade

    Balance of trade is the difference between the monetary value of a nation's exports and imports of goods over a certain time period. [1] Sometimes services are also considered but the official IMF definition only considers goods. The balance of trade measures a flow variable of exports and imports over a given period of time. The notion of the ...

  3. J curve - Wikipedia

    en.wikipedia.org/wiki/J_curve

    The balance of trade improves over time as consumers react, returning to balance at month 3 and rising to a surplus of 150 million at month 4. In economics , the "J curve" is the time path of a country’s trade balance following a devaluation or depreciation of its currency, under a certain set of assumptions.

  4. AP Biology - Wikipedia

    en.wikipedia.org/wiki/AP_Biology

    Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".

  5. Balanced trade - Wikipedia

    en.wikipedia.org/wiki/Balanced_trade

    Balanced trade is an alternative economic model to free trade. Under balanced trade, nations are required to provide a fairly even reciprocal trade pattern; they cannot run large trade deficits or trade surpluses. The concept of balanced trade arises from an essay by Michael McKeever Sr. of the McKeever Institute of Economic Policy Analysis.

  6. AP Psychology - Wikipedia

    en.wikipedia.org/wiki/AP_Psychology

    Advanced Placement (AP) Psychology (also known as AP Psych) and its corresponding exam are part of the College Board's Advanced Placement Program.This course is tailored for students interested in the field of psychology and as an opportunity to earn Advanced Placement credit or exemption from a college-level psychology course.

  7. Price–specie flow mechanism - Wikipedia

    en.wikipedia.org/wiki/Price–specie_flow_mechanism

    In practice, however, specie flows during the classical gold standard era failed to exhibit the self-corrective behavior described above. Gold finding its way back from surplus to deficit countries to exploit price differences was a painfully slow process, and central banks found it far more effective to raise or lower domestic price levels by lowering or raising domestic interest rates.

  8. Evolutionary tradeoff - Wikipedia

    en.wikipedia.org/wiki/Evolutionary_tradeoff

    In evolutionary biology, an evolutionary tradeoff is a situation in which evolution cannot advance one part of a biological system without distressing another part of it. In this context, tradeoffs refer to the process through which a trait increases in fitness at the expense of decreased fitness in another trait.

  9. Balance of payments - Wikipedia

    en.wikipedia.org/wiki/Balance_of_payments

    Country foreign exchange reserves minus external debt. In international economics, the balance of payments (also known as balance of international payments and abbreviated BOP or BoP) of a country is the difference between all money flowing into the country in a particular period of time (e.g., a quarter or a year) and the outflow of money to the rest of the world.