121.Electronicsfirmsmaybeabletogetpatentsontheirideas.Doingsomakestheirideas a.privategoodsratherthanpublicgoods.Thisgivespeoplemoreincentivetoengageinresearch. b.privategoodsratherthanpublicgoods.Thisgivespeoplelessincentivetoengageinresearch. c.publicgoodsratherthanprivategoods.Thisgivespeoplemoreincentivetoengageinresearch. d.publicgoodsratherthanprivategoods.Thisgivespeoplemoreincentivetoengageinprivateresearch. 122.Onceanideaenterssociety’spoolofknowledge,theideabecomesa a.societalgood. b.privategood. c.publicgood. d.proprietarygood. 123.InmedievalEuropeanimportanttechnologicaladvancewastheuseofthepaddedhorsecollarforplowing.Oncethisideawasthoughtof,otherpeopleusedit.Thisillustratesthatknowledgeisgenerallya a.publicgood. b.societalgood. c.privategood. d.normalgood. 124.Inthe19thcenturyJohnDeeretookoutapatentonanewlydesignedplowthatincorporatedsteeltomakeplowingfaster.Manyfarmersboughtplowsfromhiscompanyandhemademillions.Thisexampleshowsthatpatentsturnanideaintoa a.publicgood. b.societalgood. c.privategood. d.normalgood. 125.Arapidincreaseinthenumberofworkers,otherthingsthesame,islikelyintheshorttermto a.raiserealGDPperperson,butdecreaserealGDP. b.decreasebothrealGDPandrealGDPperperson. c.raisebothrealGDPandrealGDPperperson. d.raiserealGDP,butdecreaserealGDPperperson. 126.Ifthebesteducatedandmostskilledpersonsleaveacountry,thenintheshorttermthiscountry’shumancapitalperworker a.andphysicalcapitalperworkerwillincrease. b.andphysicalcapitalperworkerwilldecrease. c.willincreasebutphysicalcapitalperworkerwilldecrease. d.willdecreasebutphysicalcapitalperworkerwillincrease. 127.Becauseofitseffectontheamountofcapitalperworker,intheshorttermanincreaseintheworkingpopulationislikelyto a.raiseproductivity.Otherthingsthesame,thisincreasewillbelargerinapoorcountry. b.raiseproductivity.Otherthingsthesame,thisincreasewillbelargerinarichcountry. c.reduceproductivity.Otherthingsthesame,thisdecreasewillbelargerinapoorcountry. d.reduceproductivity.Otherthingsthesame,thisdecreasewillbelargerinarichcountry. 128.Otherthingsthesame,anincreaseinpopulationgrowth a.increasescapitalperworker.Further,thereissomeevidencethatahigherpopulationgrowthratemayincreasethepaceoftechnologicalprogress. b.increasescapitalperworker.However,thereissomeevidencethatahigherpopulationgrowthratemaydecreasethepaceoftechnologicalprogress. c.decreasescapitalperworker.Further,thereissomeevidencethatahigherpopulationgrowthratemaydecreasethepaceoftechnologicalprogress. d.decreasescapitalperworker.However,thereissomeevidencethatahigherpopulationgrowthratemayincreasethepaceoftechnologicalprogress. 129.Ifoverashorttimethereisanincreaseinthenumberofpeopleretiredandadecreaseinthenumberofpeopleworking,thenproductivity a.andrealGDPperpersonrise. b.risesbutrealGDPperpersonfalls. c.fallsandrealGDPperpersonrises. d.andrealGDPperpersonfall. 130.Ifoverashorttimealargenumberofteenagersbecomeoldenoughtofindemploymentandamuchsmallernumberofpeopleretire,thenproductivity a.andrealGDPperpersonrise. b.risesbutrealGDPperpersonfalls. c.fallsbutrealGDPperpersonrises. d.andrealGDPperpersonfall.