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a myriad of other laundering furthers the ambitions of drug traffickers ,organized crime members,terrorists,and laundering also undermines the integrity of financial markets. While large sums of laundered money may arrive at institutions, they may also disappear just as quickly, causing liquidity problems. In addition,governments lose revenue as a result of money laundering diminishes tax revenue, which often means higher tax rates for other, honest citizens. John McDowell and Gary Novis, in Economic Perspectives, state that money laundering presents the world munity with a plex and dynamic challenge. They believe that the nature of the problem calls for global standards and international cooperation to reduce the ability of criminals to launder their proceeds and carry out their criminal activities. Current nature of the problem. Linda Davies writes, in Nest of Vipers, The money screamed across the wires, its provenance fading in a maze of electronic transfers,which shifted it, hid it, broke it up into manageable wads which would be withdrawn and redeposited elsewhere, obliterating the trail. She captures the essence of the current nature of the money laundering problem. In today39。s hightech global environment, the money laundering process is even harder to trace than it was in the past. Alvin James, Principal at Ernst and Young,LLP, examined the use of underground financial systems, such as the Colombian Black Market Peso Exchange (BMPE), by terrorists. He noted that while terrorists may not need to launder their money, they do need the means to move the funds covertly. James notes that the major similarity among under ground financial systems, also called parallel payment systems, is their ability to facilitate anonymous international transfers of money. That ability is what makes these existing systems so attractive to terrorists: they can use them to move the dollars needed to support their activities. Experts indicate that there should be more coordinated efforts against the BMPE and other money laundering operations. The nature of these efforts should include securities, insurance, and money 一 changing enterprises. Efforts should be made to force drug dollars out of the safety of the parallel payment systems and into an area less secure for them and more susceptible to law enforcement. The extent of the problem. It is difficult to precisely measure the extent of money laundering, including the number of terrorist dollars moving through the same financial channels. The people and organizations that engage in these activities obviously are not reporting them to the government. However, there have been numerous attempts to establish the magnitude of the laundering around the globe has been estimated at $500 billion a year. John Walker Consulting Services in Australia has created a logical crime economic model that draws on public crime statistics and uses various socioeconomic inputs to e