What is Inversion: Definition and 123 Discussions

A tax inversion or corporate tax inversion is a form of tax avoidance where a corporation restructures so that the current parent is replaced by a foreign parent, and the original parent company becomes a subsidiary of the foreign parent, thus moving its tax residence to the foreign country. Executives and operational headquarters can stay in the original country. The US definition requires that the original shareholders remain a majority control of the post-inverted company.

The overwhelming majority of the less than 100 material tax inversions recorded since 1993 have been of US corporations (85 inversions), seeking to pay less to the US corporate tax system. The only other jurisdiction to experience a material outflow of tax inversions was the United Kingdom from 2007 to 2010 (22 inversions); however, UK inversions largely ceased post the reform of the UK corporate tax code from 2009 to 2012.

The first inversion was McDermott International in 1983. Reforms by US Congress in 2004 halted "naked inversions", however, the size of individual "merger inversions" grew dramatically; in 2014 alone, they exceeded the cumulative value of all inversions since 1983. New US Treasury rules in 2014–16 blocked several major inversions (e.g. 2016 USD$160 billion Pfizer–Allergan plc inversion, and the 2015 USD$54 billion AbbVie–Shire plc inversion), and the Tax Cuts and Jobs Act of 2017 (TCJA) further reduced the taxation incentives of inversions. As of June 2019, there have been no material US inversions post-2017, and notably, two large Irish-based tax inversion targets were acquired in non-tax inversion transactions, where the acquirer remained in their higher-tax jurisdiction: Shire plc by Japanese pharma Takeda for US$63 billion (announced in 2018, closed in 2019), and Allergan plc by U.S. pharma AbbVie for US$64 billion (announced in 2019, expected to close in 2020); in addition, Broadcom Inc. redomesticated to the United States.
As of June 2019 the most popular destination in history for US corporate tax inversions is Ireland (with 22 inversions); Ireland was also the most popular destination for UK inversions. The largest completed corporate tax inversion in history was the US$48 billion merger of Medtronic with Covidien plc in Ireland in 2015 (the vast majority of their merged revenues are still from the US). The largest aborted tax inversion was the US$160 billion merger of Pfizer with Allergan plc in Ireland in 2016. The largest hybrid-intellectual property (IP) tax inversion was the US$300 billion acquisition of Apple Inc.'s IP by Apple Ireland in 2015.

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  1. M

    Clock Appears Upside Down in Mirror: Exploring Lateral Inversion

    we keep a clock in front of the mirror,if lateral inversion occurs,what will happen?
  2. O

    Inverse laplace transform with complex inversion theorm

    Homework Statement Find the inverse laplace transform of In(1+1/s) Homework Equations The Attempt at a Solution Using the complex inversion theorm, and the sum of the residues. The only residue is at s=0. and it is a simple pole of degree one. Therefore lim(s approaches...
  3. A

    What is the meaning of "Effective logic inversion"?

    What is the mean of " Effective logic inversion " ? Because I can't understand this qustion, " Describe briefly why there is an Effective logic inversion between logic level from a TTL IC and the LED load it drives? "
  4. Ivan Seeking

    Teeter Hang Ups - Inversion Therapy

    Anyone have opinions on teeter hang ups? Below is what they claim: http://www.teetertv.com/
  5. DocZaius

    Meade NGC-70TC Refractor Telescope: Left-to-Right Inversion Explained

    Hello, I bought a Meade NGC-70TC refractor telescope and the image is inverted left-to-right. Is that normal? A google search didn't yield any answers.
  6. I

    Time inversion of Brownian motion

    Hi, I'm trying to prove that X=(X_{t})_{t\geq0} is a Brownian Motion, where X_{t} = tB_{1/t} for t\neq0 and X_{0} = 0. I don't want to use the fact that it's a Gaussian process. So far I am stuck in proving: \[ X_{t}-X_{s}=X_{t-s} \quad \forall \quad 0\leq s<t \] Anyone has any ideas?
  7. M

    Mobius Inversion, finite subgroup

    The parts of this problem form a proof of the fact that if G is a finite subgroup of F^*, where F is a field (even if F is infinite), then G cyclic. Assume |G|=n. (a) If d divides n, show x^d-1 divides x^n-1 in F[x], and explain why x^d-1 has d distinct roots in G. (b) For any k let \psi(k)...
  8. T

    Exploring Inversion Theory: A Philosophical & Scientific Perspective

    This is an idea I have about when everything is the exact opposite of itself. The post sounds very philosophical, but I am wishing to apply it to physics or in general sciences. Originally from: http://jefflifewah.blogspot.com/ This is a very bad write up. Hope you guys get the main ideas...
  9. F

    Matrix Inversion: Proving M is Invertible

    Homework Statement Suppose A is an invertible mxm matrix, B is an invertible nxn matrix, and C is an arbitrary mxn matrix. Is the matrix M = A|C ---- O|B invertible? Solve with proof. Hint: Use block multiplication. Note: I'm not quite sure how to draw this matrix on the forums. It...
  10. N

    Function Inversion: Criteria for Elementary Form

    What is the criteria to know whether a function may be inverted into an elementary functional form?
  11. T

    What is the purpose of an inversion layer in a MOS device?

    [SOLVED] inversion layer in a MOS Hello, I have some questions about MOS devices, and CCD In a MOS or MIS after applying a voltage on the metal, the valenceband and the conduction band bend downwards (in the usual band diagram) when a positive voltage is applied. (p-type semiconductor)...
  12. T

    Butis really so easy? (Möbius inversion)

    But..is really so easy? (Möbius inversion), let be F(x) and G(x) functions F(x)= G(ax)+G(2ax)+G(3ax)+... for n=,1,2,3,4,5,... a is a fixed real number. then G(ax)= \sum_{n=1}^{\infty}\mu (x) F(nx) is seems too easy for me, to be true.
  13. M

    Expansion of y=sinh-1(x) in terms of x using inversion of power series method

    I need to express the sinh-1(x) as a power series in terms of powers of x. I have written the expression as x=sinhy and expanded the sinhy using the exponential series to give x = y+(1/3)y^3+(1/5)y^5+... I guess I need to expand the y=sinh-1(x) and compare or equate the coefficients. If this...
  14. M

    Choosing the Best Inversion Result: Statistical Considerations

    i can perfom the same inversion in two ways: 1. using N data and k model parameters 2. using 3*N data and k+3 model parameters where N>>k. how can I choose the best result between the two? thanks
  15. C

    Another Fourier Inversion Problem

    Find the inverse transform of \frac{\sin{a\omega}}{\omega} I know the step function has a transform of this form, so I as able to find the inverse transform by assuming it was some step function and then looked for the right constants. However, I would like to also know how to do...
  16. C

    Find Inverse of Matrix: 0,1,2; 1,0,3; 4,-3,8

    Can someone with a graphing calculator give me the inverse of this matrix? \begin{array}{ccc} 0&1&2\\ 1&0&3\\ 4&-3&8 \end{array}
  17. P

    Hi, does anyone know the character table for the inversion group?

    hi, does anyone know the character table for the inversion group?
  18. E

    Dirichlet series inversion and prime number coutnign function

    Hello, i have developed a formula for inverting a dirichlet series ,and i apply to solve Phi(n),Mu(n) and d(n) arithmetical function,also i give a formula to obtain the Pi(n) function by means of a triple integral, the paper is in .doc format but if someone want to see it in .pdf can go to...
  19. E

    How Can Dirichlet Series be Inverted to Obtain Coefficients?

    given the Dirichlet series Sum(0,infinite)a(n)n-^s=f(s) would be an analityc formula to invert the Dirichlet series to obtain a(n)?..i have searched it at google but found no results.
  20. N

    Insertion, deletion, inversion?

    i have got a TAT but when it becomes TAC, this is called an insertion, I think its the same as deletion, or inversion, so I am stuck at how to make a difference between them ? Can you help me ?thanx
  21. N

    Insertion, Deletion, & Inversion: Step-by-Step Guide

    insertion, deletion, inversion ? Help me with examples please, thanks
  22. L

    Planetary Magnetic Feild Inversion

    OK, I realize this may be more geophysics then "geology", but I beg for leniency. I have recently been exchanging e-mails with Dr. Daniel Lathrop of the University of Maryland. He is currently involved in a project attempting to model the Earth's magnetic field and, in particular, polar...
  23. radagast

    Algorithm for matrix inversion

    Anybody know of a link to a page that describes an algorithm for matrix inversion. My old linear algebra book describes a 'by hand' method, but it's unsuitable for automating.
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