[1. Freedman, D. A. (2005). Limits of Econometrics. International Econometric Review. Retrieved October 12, 2016 from http://www.era.org.tr/makaleler/99.pdf.]Search in Google Scholar
[2. Gaworski, M., & Rocha, A. G. F. (2016). Effect of management practices on time spent by cows in waiting area before milking. In: Engineering for Rural Development: 15th international scientific conference proceedings, Jelgava. Volume 15, pp. 1300–1304.]Search in Google Scholar
[3. Hardaker, J. B., Lien, G., Anderson, J. R., & Huirne, R. B. (2015). Coping with Risk in Agriculture: Applied Decision Analysis. CABI. 276 p.10.1079/9781780645742.0000]Search in Google Scholar
[4. Hoover, K. D. (2005). The Methodology of Econometrics. Article in Palgrave Handbooks of Econometrics, Volume 1: Theoretical Econometrics.]Search in Google Scholar
[5. Jaunzems, A. (2003a). Matemātika. Kursa materiāli. Trešais izdevums. (Mathematics. Course materials. Third edition). Ventspils Augstskola. (in Latvian) 242 p.]Search in Google Scholar
[6. Jaunzems, A. (2003b). Statistika. Ekonometrija. Kursu materiāli. Trešais izdevums. (Statistics. Econometrics. Course materials. Third edition). Ventspils Augstskola. (in Latvian) 231 p.]Search in Google Scholar
[7. Jaunzems, A. (2015). Džona Meinarda Keinsa kritika Jana Tinbergena pētījumiem šodienas skatījumā (John Maynard Keyne’s objections to the Jan Tinbergen’s research from the nowadays view). Sabiedrība un kultūra. Rakstu krājums, XVII / Sastād. Arturs Medveckis. Liepāja: LiePA, pp. 226–235 (in Latvian).]Search in Google Scholar
[8. Keynes, J. M. (1939). Professor Tinbergen’s Method. The Economic Journal, 49 (195), pp. 558–568.]Search in Google Scholar
[9. Keynes, J. M. (1940). Comment. The Economic Journal, 50 (197), pp. 154–156.10.2307/2225764]Search in Google Scholar
[10. Syll, L. P. (2012, April). Randomization, experiments and claims of causality in economics. Theory of Science and Methodology. Retrieved September 10, 2016 from https://larspsyll.wordpress.com/2012/04/28/randomization-experiments-and-claims-of-causality-in-economics/.]Search in Google Scholar
[11. Syll, L. P. (2013). Capturing causality in economics and the limits of statistical inference. real-world economics review, issue no. 64. Retrieved October 12, 2016 from http://www.paecon.net/PAEReview/issue64/Syll64.pdf.]Search in Google Scholar
[12. Tinbergen, J. (1940). On a Method of Statistical Business-Cycle Research: A Reply. The Economic Journal, 50 (197), pp.141–154.10.2307/2225763]Search in Google Scholar
[13. Кейнс, Д. М. (2007). Общая теория занятости, процента и денег. Избранное. (The General Theory of Employment, Interest and Money, 1936. The Selected Works). Москва: Эксмо. 960 с.]Search in Google Scholar