2017年考研英语零基础学单词视频教程免费网盘下载（58讲）,全套视频教程学习资料通过百度云网盘下载

admin

资源详情




更新日期：2017-02-2516:44:38
视频大小：2.66GB
视频语言：简体中文
视频授权：共享版
视频属忄生：名师课件
视频类型：基础班
视频版本：zip
视频类型：文稿/录音/视频

课件介绍


AsAmericasdigestthenewsofanothergunatrocity,amallshootinginNebraskaonDecember5th,theycannotbeblamedforthinkingthatgunsareintooreadysupply.ButanarticleinthelatestEconomicJournasuggeststhatthedemandforillegalguns,atleast,isnotmetaseasilyaspeoplemightfear.SudhirVenkatesh,nowofColumbiaUniversity,hastalkedto132gang-members,77prostitutes,116gun-owningyouths,23gun-dealersandnumerousotherdenizensofChicago'sGrandBoulevardandWashingtonParkneighbourhoods.Hedidnotfindmanysatisfiedcustomers.

Chicagohasunusuallytoughrestrictionsonlegalhandguns.Evensotheblackmarketissurprisingly“thin”,attractingrelativelyfewbuyersandsellers.Theauthorsreckonthatthe48,000residentsofthetwoneighbourhoodsbuyperhaps1,400gunsayear,comparedwithatleast200,000cocainepurchases.Undergroundbrokerssellgunsfor$150-350,amark-upofperhaps200%overthelegalprice.Theyalsodemandafeeof$30-50fororchestratingthedeal.Eventhen,30-40%ofthetransactionsfallthroughbecausethesellercannotsecureagun,getscoldfeetorcannotagreeonalocationforthedeal.

Buyersalsofindithardtoverifythequalityofthemerchandise.Theyoftenknowlittleabouttheweaponstheycovet.“Tony”,whoownsa.38calibrehandgun,learnthowtousehisweaponbyfiddlingwithit.Heevenputastoneinit.“Diditfire?”MrVenkateshasked.“I'mnotsure.Ithinkitdid,”Tonysaid.

FortunatelyforTonyandhispeers,theirrivalsandthevictimsofcrimecannottelliftheirgunsworkanybetterthantheycan.Often,showingthe“bulge”isenoughtogaintherespectofrivalgangs.Inrobberiesbrandishingtheweaponwillusuallydo.Storekeepersdonotwaitforproofthatitworks.

Marketscanovercomethinness,thepapersays;theycanalsoovercomeillegality.Buttheycannotovercomeboth.Athinmarketmustrelyonadvertisingoracentralisedexchange:eBay,forexample,hasdedicatedpagesmatchingsellersofimitationpearlpinsorAnnetteFunicellobearstothefew,scatteredbuyersthatcanbefound.Butsuchsolutionsaretoocumbersomeandconspicuousforanundergroundmarket.Thedrugsmarket,bycontrast,slipsthroughthelaw'sfingersbecauseofthenaturaldensityofdrugtransactions.Dealerscanalwaysfindcustomersontheirdoorstep,andbuyerscanreassurethemselvesaboutsuppliersthroughrepeatedcustom.Therearenofixedandformalinstitutionsthatthepolicecouldeasilythrottle.

游客，如果您要查看本帖隐藏内容请回复