Government of Canada

About: Government of Canada is a government organization based out in Ottawa, Ontario, Canada. It is known for research contribution in the topics: Monetary policy & Debt. The organization has 796 authors who have published 886 publications receiving 21366 citations. The organization is also known as: federal government of Canada & Her Majesty's Government.

Randomized Controlled Crossover Dose-Response Trial Shows Low Dose (2 g) Barley β-Glucan Provided in Waffles Lowers Post-Prandial Glycaemic Response In Healthy Adults

Abstract: Barley β-glucan (BG) has reported post-prandial (PP) glycemic response lowering effects. The objective of this study was to ascertain the minimum and most effective dose of BG on PP glucose and insulin response using waffles as the test food. Healthy adults (7 men/17 women) completed a randomized controlled crossover trial at the Asper Research Institute in Winnipeg, MB. Each participant attended five 2.5-hour study visits separated by 3–14 days (average = 7 days). At each visit participants ate waffles containing 30 g available carbohydrates (AC) with varied doses of BG (0, 2, 4, or 6 g). Wheat waffles with low fibre and protein (0g-1) and wheat waffles matched to BG waffles for insoluble dietary fibre and protein (0g-2) were used as controls. The order of treatments was random. Fasting, 15, 30, 45, 60, 90 and 120 minute PP capillary blood samples were collected for analysis of blood glucose and plasma insulin levels. Data were analyzed using analysis of covariance with treatment, participant, visit number and interaction between treatment and visit number included in the model. Differences (P ≤ 0.05) among treatments were determined using least square means adjusted using the Tukey option. There was a significant effect of treatment on both glucose and insulin iAUC (P < 0.0001). Glucose iAUC was 31–40% lower after eating 2, 4 and 6 g BG waffles compared to both 0 g waffles. Glucose iAUC was not significantly different between 0 g waffles or among BG waffles. Insulin iAUC was not significantly different between 0 g waffles. Insulin iAUC was 32% lower after eating 2 g BG compared to 0g-1, but not significantly different from 0g-2 waffles. Insulin iAUC was 36–58% lower after eating 4 and 6 g BG compared to both 0 g waffles, and 38% lower after eating 6 g BG compared to 2 g BG waffles. The low dose (2 g BG per 30 g AC) provided a physiological benefit (reduction in PP glucose response >20%). Increasing dose to 4 or 6 g BG did not provide additional glucose lowering benefits, but insulin response decreased as BG dose increased. Lack of difference in glucose and insulin iAUC between the two 0 g control waffles (insoluble fibre 1 g vs 8 g; soluble fibre 0 g), but higher PP glycemic responses than BG waffles emphasizes that the type of fibre is key to PP glycemic responses. Agriculture and Agri-Food Canada.

Estimating Multinomial Choice Models with Unobserved Choice Sets

Abstract: This paper proposes a new approach to estimating multinomial choice models when each consumer’s actual choice set is unobservable but could be bounded by two known sets, i.e., the largest and smallest possible choice sets. The bounds on choice set, combined with a monotonicity property derived from utility maximization, imply a system of inequality restrictions on observed choice probabilities that could be used to identify and estimate the model. A key insight is that the identification of random utility model can be achieved without exact information on consumers’ choice sets, which generalizes the identification result of the standard multinomial choice model. The effectiveness of the proposed approach is demonstrated via a range of Monte Carlo experiments as well as an empirical application to consumer demand for potato chips using household scanner data.

Macroprudential Policy with Capital Buffers

Abstract: Financial regulation imposes equity buffers on banks by restricting dividends. This paper studies constrained-efficient dividend policy when banks fund loans with equity and debt. In the model, bank shareholders consider equity costly and a bank’s access to debt depends on its shareholder value. In response to loan losses banks cut dividends, but eventually defer dividends too much. They do not internalize that a commitment to higher dividends (and fewer loans) during recoveries from financial crises would increase shareholder value and access to debt during crises. Constrained-efficient dividends, while restricted during normal times and zero during crises, are higher during recoveries.