in a lower-taxed or untaxed jurisdiction with the intention of avoiding VAT or sales tax in their home jurisdiction are technically breaking the law in most cases. This is especially prevalent in federal countries like the US and Canada where sub-national jurisdictions charge varying rates of VAT or sales tax. In liberal democracies, a fundamental problem with inhibiting evasion of local sales taxes is that liberal democracies, by their very nature, have few (if any) border controls between their internal jurisdictions. Therefore, it is not generally cost-effective to enforce tax collection on low-value goods carried in private vehicles from one jurisdiction to another with a different tax rate. However, sub-national governments will normally seek to collect sales tax on high-value items such as cars. Objectives to evade taxes One reason for taxpayers to evade taxes is the personal benefits that come with it, thus the individual problems that lead to that decision Additionally, Wallschutzky's exchange relationship hypothesis presents as a sufficient motive for many. The exchange relationship hypothesis states that tax payers believe that the exchange between their taxes and the public good/social services as unbalanced. Furthermore, the little capability of the system to catch the tax evaders poses as another incentive. Most often, it is more economical to evade taxes, being caught and paying a fine as a consequence, than paying the accumulated tax burden over the years. Thus, evasion numbers should be even higher than they are, hence for many people there seem to be moral objective countering this practice. Government response The level of evasion depends on a number of factors, including the amount of money a person or a corporation possesses. Efforts to evade income tax decline when the amounts involved are lower. The level of evasion also depends on the efficiency of the tax administration. Corruption by tax officials makes it difficult to control evasion. Tax administrations use various means to reduce evasion and increase the level of enforcement: for example, privatization of tax enforcement or tax farming. In 2011 HMRC, the UK tax collection agency stated that it would continue to crack down on tax evasion, with the goal of collecting £18 billion in revenue before 2015. In 2010, HMRC began a voluntary amnesty program that targeted middle-class professionals and raised £500 million. Corruption by tax officials Corrupt tax officials co-operate with the taxpayers who intend to evade taxes. When they detect an instance