A major South African city generates electricity and sells it to its consumers. The city faces competition from independentrenewable power producers who also have licences to sell electricity to the public. The city however has cost advantagesdue to its size, but it is concerned of the political and economic ramifications of raising its tariffs, in these uncertaineconomic times. As a result, it is highly likely that tariffs will remain unchanged over the next financial year. The city’smarginal revenue is given as R3 000, and its costs are given as follows:TC = R82 000 + R1 000 + 0.01q2 MCMC= R1 000 + R0.02q4.1 Assess the efficiency arguments in favour of and against the renewable energy generation in SouthAfrica

In the world market, a pair of shoes from China is sold for $40 and that from Mexico is $50. U.S. made shoes are $70 a pair. Initially U.S. does not belong to any free trade agreement and imposes an ad valorem tariff of 30%. Later, the U.S. joins a free trade agreement with Mexico and remove all trade barriers including tariffs. The import demand function for the U.S. is Q = 280 – 4P. (Hint: Draw the import demand curve of the world market as shown in the examples on the textbook and lecture slides.) 13. How much will the U.S. government tariff revenue change (as a result of this free trade agreement? а. Increase by $144 O b. Decrease by $720 C. Decrease by $800 O d. Decrease by $864

canada has not allowed for the bulk exportation of water. the current price for water for canadian consumers is $40 per tonne (typically delivered via an underground pipe to your house/business!) and canadians consume 3 m tonnes/yr. unfortunately, climate change has resulted in droughts in california and other southern states. to help meet this need and make a profit of course, canada has decided to allow international trade in water. the north america (or world) price for water is currently $60/tonne. (hint the supply lines does not move….) Explain in words:-1) what will happen to production (supply) and canadian demand for water. 2) The effect on the producer and consumer surplus.  3) any imports / exports

"Trinidad and Tobago is not only impacted by the economic consequences of COVID-19; but as an oil-and-gas exporting country, the economic, financial and social consequences have been further compounded by the dramatic drop in oil and gas prices. The worldwide demand for crude oil has crashed in the context of stay-home-lockdown orders. As I indicated earlier, on April 20, 2020, the price of West Texas Intermediate (WTI) took an unprecedented turn entering negative territory for the first time in its history, The WTI June 2020 delivery for crude oil is currently US$15 per barrel and the natural gas June futures price is US$1.82 per MMBTU." "The Central Bank of Trinidad and Tobago is helping the economy navigate through these difficult circumstances. For example, the Central Bank has reduced the reserve requirements for the commercial banks from 17.0 percent to 14.0 percent; and the repo rate from 5.0 percent to 3.5 percent. As a result, Commercial banks have reduced their prime lending…