Derek Aldridge

April 8, 2021

ACTLA Presentation – Loss of Income for Self-Employed Plaintiffs

Derek Aldridge, Economica derek@economica.ca (I consent to redistribution of this unmodified document) ACTLA Presentation – Lunch and Learn March 25, 2021 Loss of income for self-employed plaintiffs I will briefly discuss the approach that I use to estimate the loss of income for self-employed plaintiffs. Simply determining the true income of a self-employed worker can… Continue reading

Article, Derek Aldridge, Loss of earnings, Self-employed and business income
September 27, 2019

Summer 2019 issue of the Expert Witness newsletter (volume 23, issue 1)

Contents: In this issue of The Expert Witness, we present two articles: From the Desk of Christopher Bruce: Farewell Christopher Bruce publishes his final Expert Witness newsletter. In this article, Chris writes about his achievements and the founding of Economica. Selecting the Productivity Factor In this article, the economists discuss the real rate of growth earnings,… Continue reading

Christopher Bruce, Derek Aldridge, Kelly Rathje, Laura Weir, Newsletter
August 1, 2019

A Word from the Consultants of Economica

We would like to say thank you to Dr. Christopher Bruce. You have been a great mentor for us throughout our careers with Economica. You have provided direction, leadership, advice, and have groomed us to be one of the leading firms in the industry. Your knowledge, guidance, and support throughout the years have been a… Continue reading

Article, Christopher Bruce, Derek Aldridge, Kelly Rathje, Laura Weir
August 1, 2019

Selecting the Productivity Factor

One of the most important determinants of the plaintiff’s future earnings is the rate at which those earnings will grow. There are two broad determinants of this rate. First, each individual benefits from increases that arise from gains in experience, promotions, and job changes. Second, as the economy grows, the earnings of all individuals rise… Continue reading

Article, Christopher Bruce, Derek Aldridge, Earnings, prediction of, Kelly Rathje, Laura Weir, Newsletter
December 12, 2018

The Impact of a Mid-Career Change on Earnings

by Derek Aldridge and Christopher J. Bruce Vocational psychologists often recommend that injured plaintiffs retrain for a new occupation. An important question that arises in this situation is whether plaintiffs will start that occupation at an “entry-level” income (say the income of a 25 year-old) or at the income of an individual of the plaintiff’s calendar… Continue reading

Article, Christopher Bruce, Derek Aldridge, Earnings, prediction of, Newsletter
May 11, 2017

Selecting the Discount Rate (2017)

Recently Economica undertook a detailed re-evaluation of our recommendations concerning the discount rate. We argue that plaintiffs have available two alternative methods of investing their awards for future losses. In the first, which we call the annuity approach, plaintiffs use their awards to purchase life annuities or structured settlements. In the second, which we call… Continue reading

Article, Christopher Bruce, Derek Aldridge, Discount rates, Kelly Rathje, Laura Weir

newsletter (volume 21 issue 1)
June 1, 2016

The Effect of Incarceration on Future Earnings

In this article, Dr. Bruce and Mr. Aldridge find that the literature regarding the effect of a criminal record on income suggests incarceration has a relatively small effect on lifetime earnings. Those who have been incarcerated tend to have lower levels of income than those without a criminal record, not because incarceration has changed their… Continue reading

Article, Christopher Bruce, Derek Aldridge, Other issues

newsletter (volume 20 issue 2)
December 1, 2012

Implied Rates of Return on Structured Settlements

In this article, Derek Aldridge and Christopher Bruce contrast our recommended discount rates with those used by one important set of sophisticated investors, the insurance companies who write structured settlements. They find that our recommended rates are greater than those being offered by these companies, suggesting that our rates may be too high. Continue reading

Article, Christopher Bruce, Derek Aldridge, Discount rates, Structured settlements

Fatal Accident Claims, newsletter (volume 16 issue 1), Structured Settlements
December 1, 2012

The Discount Rate Simplified

In this article, which was written collaboratively by Christopher Bruce, Laura Weir, Kelly Rathje, and Derek Aldridge, we begin by setting out a number of criteria that we believe should be met when selecting the discount rate. We ultimately conclude that a portfolio of Government of Canada bonds of varying maturity dates meets our criteria.… Continue reading

Article, Christopher Bruce, Derek Aldridge, Discount rates, Kelly Rathje, Laura Weir

Discount Rates, newsletter (volume 16 issue 1)
September 1, 2011

Factors that Influence Retirement

In this article, Derek Aldridge summarises recent research from Statistics Canada concerning factors that influence retirement. He finds support for an assumption that is often made in expert reports: that a plaintiff with substantial residual deficits will likely retire earlier than he or she would have in the absence of the accident. Continue reading

Article, Derek Aldridge, Retirement

newsletter (volume 15 issue 1)

About Me

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