Librería Samer Atenea
Librería Aciertas (Toledo)
Kálamo Books
Librería Perelló (Valencia)
Librería Elías (Asturias)
Donde los libros
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Methodologically, volume 20 features considerable breadth. Two articles support their conclusions with analytical modeling. Two others employ experimental methods using taxpayer/practitioner subjects. In addition, two use quasi-experimental empirical analyses. Of the last two articles, one uses survey methods, and the last is a review article.