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| [[File:JohnBTaylor.jpg|thumb|right|John B. Taylor]]
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| In [[economics]], a '''Taylor rule''' is a [[monetary policy|monetary-policy]] rule that stipulates how much the [[central bank]] should change the [[nominal interest rate]] in response to changes in [[inflation]], [[Gross Domestic Product|output]], or other economic conditions. In particular, the rule stipulates that for each one-percent increase in inflation, the central bank should raise the nominal interest rate by more than one percentage point. This aspect of the rule is often called the '''Taylor principle'''.
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| The rule was first proposed by [[John B. Taylor]],<ref>{{cite paper |last=Taylor |first=John B. |year=1993 |title=Discretion versus Policy Rules in Practice |work=Carnegie-Rochester Conference Series on Public Policy |volume=39 |url=http://www.stanford.edu/~johntayl/Papers/Discretion.PDF |pages=195–214 }} (The rule is introduced on page 202.)</ref> and simultaneously by [[Dale W. Henderson]] and [[Warwick McKibbin]] in 1993.<ref>{{cite paper |last=Henderson |first=D. W. |first2=W. |last2=McKibbin |year=1993 |title=A Comparison of Some Basic Monetary Policy Regimes for Open Economies: Implications of Different Degrees of Instrument Adjustment and Wage Persistence |work=Carnegie-Rochester Conference Series on Public Policy |volume=39 |pages=221–318 |doi=10.1016/0167-2231(93)90011-K }}</ref>
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| It is intended to foster price stability and full employment by systematically reducing uncertainty and increasing the credibility of future actions by the central bank. It may also avoid the inefficiencies of [[time inconsistency]] from the exercise of [[discretionary policy]].<ref>Athanasios Orphanides (2008). "Taylor rules," ''[[The New Palgrave Dictionary of Economics]]'', 2nd Edition. v. 8, pp. 2000-2004.[http://www.dictionaryofeconomics.com/article?id=pde2008_T000215&q=taylor%20rules&topicid=&result_number=1 Abstract.]</ref><ref>Paul Klein (2009). "time consistency of monetary and fiscal policy," ''The New Palgrave Dictionary of Economics''. 2nd Edition. [http://www.dictionaryofeconomics.com/article?id=pde2008_T000219&q=Time%20inconsistency)&topicid=&result_number=1 Abstract.]</ref> The Taylor rule synthesized, and provided a compromise between, competing schools of economics thought in a language devoid of rhetorical passion.<ref>{{cite paper |work=Federal Reserve Bank of Kansas City Working Paper 07-11 |title=The Taylor Rule and the Transformation of Monetary Policy |year=2007 |last=Kahn |first=George A. |last2=Asso |first2=Pier Francesco |last3=Leeson |first3=Robert |ssrn=1088466 }}</ref> Although many issues remain unresolved and views still differ about how the Taylor rule can best be applied in practice, research shows that the rule has advanced the practice of central banking.<ref>{{cite paper |work=Federal Reserve Bank of Kansas City Working Paper 10-05 |last=Asso |first=Pier Francesco |last2=Kahn |first2=George A. |last3=Leeson |first3=Robert |title=The Taylor Rule and the Practice of Central Banking |year=2010 |ssrn=1553978 }}</ref>
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| ==As an equation==
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| According to Taylor's original version of the rule, the nominal interest rate should respond to
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| divergences of actual inflation rates from ''target'' inflation rates and of actual [[Gross Domestic Product]] (GDP) from ''potential'' GDP:
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| :<math>i_t = \pi_t + r_t^* + a_\pi ( \pi_t - \pi_t^* ) + a_y ( y_t - \bar y_t ).</math>
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| In this equation, <math>\,i_t\,</math> is the target short-term [[nominal interest rate]] (e.g. the [[federal funds rate]] in the US, the [[Official bank rate|Bank of England base rate]] in the UK), <math>\,\pi_t\,</math> is the rate of [[inflation]] as measured by the [[GDP deflator]], <math>\pi^*_t</math> is the desired rate of inflation, <math>r_t^*</math> is the assumed equilibrium real interest rate, <math>\,y_t\,</math> is the logarithm of real [[Gross Domestic Product|GDP]], and <math>\bar y_t</math> is the logarithm of [[potential output]], as determined by a linear trend.
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| In this equation, both <math>a_{\pi}</math> and <math>a_y</math> should be positive (as a rough rule of thumb, Taylor's 1993 paper proposed setting <math>a_{\pi}=a_y=0.5</math>).<ref>Athanasios Orphanides (2008). "Taylor rules," ''[[The New Palgrave Dictionary of Economics]]'', 2nd Edition. v. 8, pp. 2000-2004, equation (7).[http://www.dictionaryofeconomics.com/article?id=pde2008_T000215&q=taylor%20rules&topicid=&result_number=1 Abstract.]</ref> That is, the rule "recommends" a relatively high interest rate (a "tight" monetary policy) when inflation is above its target or when output is above its [[full employment|full-employment]] level, in order to reduce inflationary pressure. It recommends a relatively low interest rate ("easy" monetary policy) in the opposite situation, to stimulate output. Sometimes monetary policy goals may conflict, as in the case of [[stagflation]], when inflation is above its target while output is below full employment. In such a situation, a Taylor rule specifies the relative weights given to reducing inflation versus increasing output.
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| ==The Taylor principle== | |
| By specifying <math>a_{\pi}>0</math>, the Taylor rule says that an increase in inflation by one percentage point should prompt the [[central bank]] to raise the [[nominal interest rate]] by more than one percentage point (specifically, by <math>1+a_{\pi}</math>, the sum of the two coefficients on <math>\pi_t</math> in the equation above). Since the [[real interest rate]] is (approximately) the nominal interest rate minus inflation, stipulating <math>a_{\pi}>0</math> implies that when inflation rises, the [[real interest rate]] should be increased. The idea that the real interest rate should be raised to cool the economy when inflation increases (requiring the nominal interest rate to increase more than inflation does) has sometimes been called the Taylor principle.<ref>{{cite journal |title=Generalizing the Taylor Principle |first=Troy |last=Davig |first2=Eric M. |last2=Leeper |journal=[[American Economic Review]] |volume=97 |issue=3 |year=2007 |pages=607–635 |jstor=30035014 }}</ref>
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| During an [[EconTalk]] podcast Taylor explained the rule in simple terms using three variables: inflation rate, GDP growth, and the interest rate. If inflation were to rise by 1%, the proper response would be to raise the interest rate by 1.5% (Taylor explains that it doesn't always need to be exactly 1.5%, but being larger than 1% is essential). If GDP falls by 1% relative to its growth path, then the proper response is to cut the interest rate by .5%.<ref>[http://www.econtalk.org/archives/2008/08/john_taylor_on.html Econtalk podcast, Aug. 18, 2008], interview conducted by Russell Roberts, sponsored by the [http://www.econlib.org/ Library of Economics and Liberty].</ref>
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| ==Alternative versions of the rule==
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| While the Taylor principle has proved very influential, there is more debate about the other terms that should enter into the rule. According to some simple [[New Keynesian economics|New Keynesian]] macroeconomic models, insofar as the central bank keeps inflation stable, the degree of fluctuation in output will be optimized (Blanchard and Gali call this property the '[[divine coincidence]]'). In this case, the central bank need not take fluctuations in the output gap into account when setting interest rates (that is, it may optimally set <math>a_y=0</math>.) On the other hand, other economists have proposed including additional terms in the Taylor rule to take into account money gap<ref>{{cite journal |last=Benchimol |first=Jonathan |last2=Fourçans |first2=André |year=2012 |title=Money and risk in a DSGE framework : A Bayesian application to the Eurozone |journal=[[Journal of Macroeconomics]] |volume=34 |issue=1 |pages=95–111, [http://ideas.repec.org/a/eee/jmacro/v34y2012i1p95-111.html Abstract] }}</ref> or financial conditions: for example, the interest rate might be raised when stock prices, housing prices, or interest rate spreads increase.
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| ==Empirical relevance==
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| Although the [[Federal Reserve]] does not explicitly follow the Taylor rule, many analysts have argued that the rule provides a fairly accurate summary of US monetary policy under [[Paul Volcker]] and [[Alan Greenspan]].<ref name="Clarida 2000">{{cite journal |last=Clarida |first=Richard |first2=Jordi |last2=Galí |first3=Mark |last3=Gertler |year=2000 |title=Monetary Policy Rules and Macroeconomic Stability: Theory and Some Evidence |journal=[[Quarterly Journal of Economics]] |volume=115 |issue=1 |pages=147–180 |doi=10.1162/003355300554692 |jstor=2586937 }}</ref><ref>{{Cite news |last=Lowenstein |first=Roger |title=The Education of Ben Bernanke | newspaper=The New York Times |date=2008-01-20 |url=http://www.nytimes.com/2008/01/20/magazine/20Ben-Bernanke-t.html}}</ref> Similar observations have been made about central banks in other developed economies, both in countries like Canada and New Zealand that have officially adopted inflation targeting rules, and in others like [[Germany]] where the [[Bundesbank]]'s policy did not officially target the inflation rate.<ref>{{cite journal |last=Bernanke |first=Ben |first2=Ilian |last=Mihov |year=1997 |title=What Does the Bundesbank Target? |journal=[[European Economic Review]] |volume=41 |issue=6 |pages=1025–1053 |doi=10.1016/S0014-2921(96)00056-6 }}</ref><ref>{{cite journal |last=Clarida |first=Richard |first2=Mark |last2=Gertler |first3=Jordi |last3=Galí |year=1998 |title=Monetary Policy Rules in Practice: Some International Evidence |journal=European Economic Review |volume=42 |issue=6 |pages=1033–1067 |doi=10.1016/S0014-2921(98)00016-6 }}</ref> This observation has been cited by [[Richard Clarida|Clarida]], [[Jordi Galí|Galí]], and [[Mark Gertler (economist)|Gertler]] as a reason why inflation had remained under control and the economy had been relatively stable (the so-called '[[Great Moderation]]') in most developed countries from the 1980s through the 2000s.<ref name="Clarida 2000" /> However, according to Taylor, the rule was not followed in part of the 2000s, possibly leading to the housing bubble.<ref>{{cite paper |url=http://www.stanford.edu/~johntayl/FCPR.pdf |title=The Financial Crisis and the Policy Responses: An Empirical Analysis of What Went Wrong |first=John B. |last=Taylor |year=2008 }}</ref><ref>{{cite book |last=Taylor |first=John B. |year=2009 |title=Getting Off Track: How Government Actions and Interventions Caused, Prolonged, and Worsened the Financial Crisis |location= |publisher=Hoover Institution Press |isbn=0-8179-4971-2 }}</ref> Certain research has determined that some households form their expectations about the future path of interest rates, inflation, and unemployment in a way that is consistent with Taylor-type rules.<ref>{{cite paper |work=Federal Reserve Bank of San Francisco Working Paper 2012-01 |title=Do People Understand Monetary Policy? |first=Carlos |last=Carvalho |first2=Fernanda |last2=Nechio |year=2013 |ssrn=1984321 }}</ref>
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| ==Criticisms==
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| [[Athanasios Orphanides]] (2003) claims that the Taylor rule can misguide policy makers since they face [[real-time data]]. He shows that the Taylor rule matches the US funds rate less perfectly when accounting for these informational limitations and that an activist policy following the Taylor rule would have resulted in an inferior macroeconomic performance during the Great Inflation of the seventies.<ref>{{cite journal |last=Orphanides |first=A. |year=2003 |title=The Quest for Prosperity without Inflation |journal=[[Journal of Monetary Economics]] |volume=50 |issue=3 |pages=633–663 |doi=10.1016/S0304-3932(03)00028-X }}</ref>
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| ==See also==
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| *[[Monetary policy]]
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| *[[Inflation targeting]]
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| *[[McCallum rule]]
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| *[[Monetary policy reaction function]]
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| ==References==
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| {{Reflist|30em}}
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| ==External links==
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| *[http://www.stanford.edu/~johntayl/PolRulLink.htm Resources from John Taylor's web site.]
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| *[http://www.federalreserve.gov/Pubs/FEDS/2007/200718/200718pap.pdf Federal Reserve paper on the Taylor Rule.]
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| {{Federal Reserve System}}
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| {{Central banks}}
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| {{DEFAULTSORT:Taylor Rule}}
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| [[Category:Federal Reserve]]
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| [[Category:Monetary policy]]
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So, how did my first site do? First on my list is call centers. This very important email will have your nameservers. Here are few Reasons why you "Should" Choose Hostgator. offer, their price is the lowest among the major hosting providers. But in isolated cases that you would ne needing these people, you can be assured that the people alternatively line tend to be more than happy to assist you in any web connected concerns which you might have. When I mentioned a week back before they restored sites, the overage I was caught once informed, and they have left back, the next time they have a backup of all sites was cleaned out, since they were back to the people that did not exceed inode. The bad news is that I have brought my addiction home to roost right on my laptop. If you have any type of concerns pertaining to where and how you can use Hostgator Coupons; support.file1.com,, you could contact us at our webpage. How to Use Quick Install ?Access your HostGator hosting control panel and scroll down the mouse to bottom and see the category "software/services" ?Here you can find the QuickInstall icon. Use the promo code "newcustomer2011" to receive your first month for one penny.
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