R. Glenn Hubbard and Jonathan S. Skinner, Assessing the Effectiveness of Saving Incentives, pp. 73-90.
Glenn and Jonathan like to assess the effectiveness of saving incentives. 
mnli hypothesis: Glenn and Jonathan like to assess the effectiveness of saving incentives.  premise: R. Glenn Hubbard and Jonathan S. Skinner, Assessing the Effectiveness of Saving Incentives, pp. 73-90.