| Khraief et al. (2020) | 29 Organization for Economic Cooperation and Development (OECD) countries | 1980–2013 | Harvey et al. (2008) linearity unit root test and ESTAR non-linear unit root test suggested by Kruse (2011) | The hysteresis hypothesis is rejected |
| Yaya et al. (2019) | 42 African countries | 1991–2017 | Fourier ADF test | The hysteresis hypothesis is confirmed for seven countries |
| Bechný (2019) | Czech Republic | 1999–2016 | Bayesian approach | The hysteresis hypothesis is accepted |
| Albulescu and Tiwari (2018) | 8 European Union (EU) countries | 1965–2013 | Cavaliere and Xu’s (2014) unit root tests | The hysteresis hypothesis is accepted |
| Bahmani-Oskooee et al. (2018) | USA | 1976–2016 | Non-linear quantile unit root test | For 19 states hysteresis hypothesis is confirmed |
| Meng et al. (2017) | 14 OECD countries | 1983–2013 | Fourier ADF test | For 4 countries hysteresis hypothesis is confirmed |
| Akdogan (2017) | 31 European countries, the USA and Japan | | Linear and non-linear unit root tests | The hysteresis hypothesis is rejected for 60% of the countries |
| Furuoka (2017a) | 5 European countries | 1991–2015 | SUR–FADF procedure | The hysteresis hypothesis is accepted (except Spain) |
| Furuoka (2017b) | 4 Nordic countries | 2000–2014 | FADF–SB test | The hysteresis hypothesis is not confirmed |
| Guris et al. (2017) | Turkey | 1970–2014 | Non-linear unit root tests Kapetanios et al. (2003) and Kruse (2011) | The hysteresis hypothesis is not confirmed |
| Garcia-Cintado et al. (2015) | 17 Spanish regions | 1976–2014 | Unit root tests with breaks | The hysteresis hypothesis is confirmed |
| Furuoka (2014) | 14 regions of the Czech Republic | 2005–2013 | SURADF/FADF procedure | For nine regions hypothesis is confirmed. While for five regions hypothesis is rejected |
| Bolat et al. (2014) | 17 Eurozone countries | 2000–2013 | Non-linear panel unit root test by Ucar and Omay (2009) | For six countries hysteresis effect is confirmed |
| Gozgor (2013) | CEE countries | 1998–2012 | Panel unit root test | The hysteresis hypothesis is confirmed |
| Cheng et al. (2014) | PIIGS (Portugal, Italy, Ireland, Greece and Spain) countries | 1960–2011 | Fourier unit root test proposed by Enders and Lee (2012) | The hysteresis in unemployment is confirmed |
| Cheng et al. (2012) | 51 US states | 1976–2010 | PANIC method and recursive mean adjustment (RMA) methods | The hysteresis in unemployment is confirmed |
| Chang (2011) | 17 OECD countries | 1960–2009 | Becker et al. (2006) stationary test with a Fourier function | The hysteresis in unemployment is confirmed for 11 countries |
| Chang and Lee (2011) | G-7 countries | 1992–2008 | Caner and Hansen’s (2001) threshold unit root test | The hysteresis in unemployment is confirmed for France, Germany and Italy |
| Lee et al. (2010) | 9 East Asian economies. | 1976–2004 | Lee and Strazicich’s (2003) minimum LM test | The hysteresis hypothesis is confirmed |
| Lee et al. (2009) | 19 OECD countries | 1960–2004 | The panel LM unit root tests with heterogeneous structural breaks | The hysteresis hypothesis is not confirmed |
| Lin et al. (2008) | 16 OECD countries | 1970–2005 | Caner and Hansen (2001) threshold unit root tests | For Denmark and Portugal the hysteresis hypothesis is accepted |
| Camarero et al. (2008) | 8 transition economies | 1991–2003 | Panel unit root tests | The hysteresis hypothesis is not confirmed |
| Gomes and da Silva (2008) | Brazil and Chile | 1980 2002 | Lee and Strazicich’s (2003) LM unit root test | The hysteresis hypothesis is accepted in case of both countries |
| 1982–2004 |
| Romero-Ávila and Usabiaga (2007) | Spain and USA | 1976–2004 | LM unit root tests | The hysteresis hypothesis for Spain is accepted. For US structuralist hypothesis is accepted |
| León-Ledesma and McAdam (2004) | 12 CEE and 15 EU countries | 1991–2001 | Univariate and panel unit root tests with and without breaks | The hysteresis hypothesis is not confirmed |
| Camarero and Tamarit (2004) | 19 OECD countries | 1956–2001 | ADF-type panel unit root tests in a SURE framework | The hysteresis hypothesis is valid only for seven countries |
| Feve et al. (2003) | 17 OECD countries | 1966–1999 | Unit root test | For nine countries the hysteresis hypothesis is accepted |
| Røed (1996) | 16 OECD countries | 1970–1994 | Exact maximum likelihood stationarity test | For 15 countries the hysteresis hypothesis is accepted (except USA) |
| Blanchard and Summers (1986) | France, Germany, the UK and the US | 1953–1984 | DF/ADF unit root tests | The hysteresis hypothesis is accepted (except USA) |