Tax cuts for wealthy individuals and corporations don’t stimulate the economy, grow jobs and wages, or increase government revenue. The evidence for this comes not only from national experience under Presidents Reagan and G. W. Bush, but also from the recent, dramatic events in Kansas.
In 2012, in an effort led by newly elected Governor Sam Brownback, Kansas passed a tax bill like the one recently enacted by President Trump and the Republicans in Congress. The Kansas law slashed income tax rates (especially for the wealthy) and for privately-held companies, just like the recently enacted federal tax law. It also cut tax credits that helped low and moderate-income families, just like the recent federal tax law.
Governor Brownback and his supporters in the Kansas legislature promised that Kansas’s economy would boom and state tax revenue would grow as a result, just like the promises President Trump and the Republicans in Congress are making. 
In the almost six years since Kansas’s tax cuts, it has had one of the worst performing state economies in the country, the state’s tax revenues have been falling by hundreds of millions of dollars each year, and Kansas ranks among the top ten states for the percentage of people moving out-of-state. The big tax cut for privately-held companies appears to have fueled more tax evasion than job creation.
To deal with the dramatic decline in revenue for the state’s $6 billion budget, Governor Brownback and Republican Legislature have:
- Cut hundreds of millions of dollars from spending, putting public schools (see more below) and other service providers into crisis
- Cut payment rates for health care services, putting many of the state’s hospitals into crisis
- Cut state administrative capacity, resulting in residents experience lengthy delays and waitlists when accessing state services (e.g., the delays in approving seniors’ eligibility for Medicaid so they could go into nursing homes became so bad that the federal government charged Kansas with violating federal law)
- Increased regressive taxes, such as the sales tax and alcohol and tobacco taxes
- Diverted over $100 million from the state’s highway fund and $40 million from the required contribution to the state employees’ retirement fund in 2015 alone
- Increased state debt by over $1 billion, which, along with other fiscal issues, led to the downgrading of Kansas’s bond rating
The cuts in public school funding led to a lawsuit where the state’s Supreme Court ruled in 2015 that the state had to spend hundreds of millions of dollars more on K-12 public education. A previous, decades-long dispute between local school districts and the state over the levels and allocation of state funding for public education had been settled in 2006. That settlement required the state to increase funding for public education. However, the Great Recession of 2008 and then Governor Brownback’s tax cutting in 2012 had reduced state revenue so dramatically that, despite the settlement, the state cut funding for public schools by 16.5% (one-sixth) between 2008 and 2013.
In 2015, as state revenue continued its dramatic decline due to the tax cuts, Brownback cut another $28 million from K-12 public education funding. Two school districts were forced to end their school years early because they ran out of money. The cuts in state school funding disproportionately hurt low-income and urban school districts that couldn’t make up for lost state funding with increased local funding.
Some of the school districts sued and in 2015 the state’s Supreme Court ruled that the state had to provide $40 million immediately as a first step in correcting the under-funding of public education. In a further ruling in 2017, the courts required the state to come up with over $700 million for public education over the next several years.
In the 2016 elections, while Trump was winning 57% of the presidential vote in Kansas, Democrats and moderate Republicans were winning state legislative races due to concerns about the public schools and other issues. Facing a nearly $1 billion shortfall in the state’s two-year budget and a court requirement to significantly increase funding for K-12 education, the legislature voted in February 2017 to repeal most of the 2012 income tax cuts for individuals and privately held companies. Governor Brownback vetoed the bill and the legislature came up just short of overriding the veto.
In June 2017, the legislature again passed a repeal of most of the 2012 income tax cuts. Governor Brownback again vetoed the bill. This time the legislature overrode the veto by one vote in the Senate and four votes in the House. Although it will take Kansas many years to recover from the damage that has been done to the state’s schools, health care system, and economy, the state’s bond rating was lifted a step just two days later.
There are striking similarities between Governor Brownback’s tax cuts and those of President Trump and the congressional Republicans. There are also striking similarities in their promises of economic growth and increased government revenue. However, the great majority of economists and other knowledgeable observers believe the results of the federal tax cuts are very likely to be similar to Kansas’s experiences.
The major difference is that the federal government does not have to have a balanced budget. So, along with the recently passed budget bill, the result in the short-term will be federal budget deficits of roughly $1 trillion per year. This is not sustainable, financially or politically. Sooner or later, significant federal spending cuts and/or tax increases are highly likely to be necessary.
The only questions, in both Kansas and nationally, are how much damage will be done by the tax cuts and how long will it take to recover from them. Note that some individuals in Kansas, such as children whose schooling was compromised or people whose health was compromised by lack of access to health care or other services, will never recover all that they have lost. The harm on a national level will certainly be greater in scale – more people will be harmed. Only time will tell how great and long lasting the harm will be for individuals and for our society.
 Miller, J., 6/28/17, “Kansas, Sam Brownback, and the trickle-down implosion,” The American Prospect (http://prospect.org/article/kansas-sam-brownback-and-trickle-down-implosion-0)