11.Equilibriumquantitymustdecreasewhendemand a.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhenbothdemandandsupplydecrease. b.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhenbothdemandandsupplydecrease. c.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhenbothdemandandsupplydecrease. d.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhenbothdemandandsupplydecrease. 12.Equilibriumquantitymustincreasewhendemand a.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhenbothdemandandsupplyincrease. b.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhenbothdemandandsupplydecrease. c.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhenbothdemandandsupplyincrease. d.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhenbothdemandandsupplydecrease. 13.Equilibriumpricemustdecreasewhendemand a.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhendemanddecreasesandsupplyincreasessimultaneously. b.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhendemandincreasesandsupplydecreasessimultaneously. c.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhendemanddecreasesandsupplyincreasessimultaneously. d.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhendemandincreasesandsupplydecreasessimultaneously. 14.Equilibriumpricemustincreasewhendemand a.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhendemanddecreasesandsupplyincreasessimultaneously. b.increasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplydecreases,andwhendemandincreasesandsupplydecreasessimultaneously. c.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhendemanddecreasesandsupplyincreasessimultaneously. d.decreasesandsupplydoesnotchange,whendemanddoesnotchangeandsupplyincreases,andwhendemandincreasesandsupplydecreasessimultaneously. 15.Whichofthefollowingeventsmustcauseequilibriumpricetorise? a.demandincreasesandsupplydecreases b.demandandsupplybothdecrease c.demanddecreasesandsupplyincreases d.demandandsupplybothincrease 16.Ifthedemandforaproductincreases,thenwewouldexpectequilibriumprice a.toincreaseandequilibriumquantitytodecrease. b.todecreaseandequilibriumquantitytoincrease. c.andequilibriumquantitybothtoincrease. d.andequilibriumquantitybothtodecrease. 17.Ifthedemandforaproductdecreases,thenwewouldexpectequilibriumprice a.toincreaseandequilibriumquantitytodecrease. b.todecreaseandequilibriumquantitytoincrease. c.andequilibriumquantitytobothincrease. d.andequilibriumquantitytobothdecrease. 18.Ifthesupplyofaproductincreases,thenwewouldexpectequilibriumprice a.toincreaseandequilibriumquantitytodecrease. b.todecreaseandequilibriumquantitytoincrease. c.andequilibriumquantitytobothincrease. d.andequilibriumquantitytobothdecrease. 19.Ifthesupplyofaproductdecreases,thenwewouldexpectequilibriumprice a.toincreaseandequilibriumquantitytodecrease. b.todecreaseandequilibriumquantitytoincrease. c.andequilibriumquantitytobothincrease. d.andequilibriumquantitytobothdecrease. 20.Whensupplyanddemandbothincrease,equilibrium a.pricewillincrease. b.pricewilldecrease. c.quantitymayincrease,decrease,orremainunchanged. d.pricemayincrease,decrease,orremainunchanged.