This book systematically and thoroughly covers a vast literature on the nonparametric and semiparametric statistics and econometrics that has evolved over the last five decades.

1. Introduction; 2. Methods of density estimation; 3. Conditional moment estimation; 4. Nonparametric estimation of derivatives; 5. Semiparametric estimation of single equation models; 6. Semi and nonparametric estimation of simultaneous equation models; 7. Semiparametric estimation of discrete choice models; 8. Semiparametric estimation of selectivity models; 9. Semiparametric estimation of censored regression models; 10. Retrospect and prospect.