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The learning outcome is to understand the difference between correlation and causation.

The case is set during the period of the COVID-19 pandemic, globally a search for effective treatments were underway. An initial forerunner that was being considered was Bacille Calmette-Guerin (BCG), given its effectiveness in the treatment of tuberculosis and other pulmonary-related infections. While there were a lack of randomised controlled trials, initial data from publicly related secondary data sources indicated that, in countries with BCG inoculation policies, the severity of the spread and mortality of COVID-19 was muted. The case is centered around the available information on BCG and COVID-19.

Post-graduate students learning statistics as part of a degree programme. The case assumes no prior statistics knowledge and therefore is aimed at teaching the difference between correlation and causation.

CSS 7: Management Science

Teaching Notes are available for educators only.

Alice Monroe was an admissions officer at the Kellogg School of Management at Northwestern University. It was early January 2017 and Alice had enrolled in Northwestern's 403(b) retirement plan two months earlier. After spending a considerable amount of time examining the mutual funds available through the university's retirement plan, Alice had picked two to invest in: a large-cap equity growth fund and a mid-cap equity fund. (See the related case "Selecting Mutual Funds for Retirement Accounts (A).") Her initial allocations were 50% of her investment dollars in each fund.

Upon further reflection, however, she realized these initial allocations were somewhat simplistic. She recalled, from an investments class she had taken at college, the topic of modern portfolio theory, which held that by adding more funds to her portfolio she might be able to achieve greater diversification and thereby reduce the overall risk of her portfolio and/or achieve a higher expected return. Alice now was considering adding an intermediate-term bond fund and a real estate fund to her retirement account.

She hoped to use modern portfolio theory to prove that these new funds would indeed help her diversify her portfolio. If they did, she would also reassess her portfolio weights to determine the optimal allocation.

The key objectives of this case are to: (1) familiarize students with a simple version of the Markowitz optimal-asset allocation model; (2) develop students' intuition regarding optimal-asset allocation as specific inputs into the model (e.g., expected returns, standard deviations, correlations) change values; and (3) develop students' intuition regarding constraints that alternative investors may face (e.g., the presence of shorting constraints) and their impact on the optimal portfolio. The case includes an Excel spreadsheet, which contains relevant data (e.g., returns, standard deviations, correlations) on several assets and an Excel model that takes three of those assets and makes use of the Excel Solver Add-In to compute optimal weights for the three asset portfolio as well as the expected return, standard deviation, and Sharpe ratio of the optimal portfolio. Students are asked to alter many of the inputs into the model and explain the effects of those changes on the optimal portfolio.

The case is meant to be used in an introductory course on Data Visualization or Analytics in either a business school or any other context where students have had some exposure to management topics. This case primarily focuses on introducing students to the basic philosophy and techniques of exploratory data analysis (EDA). The Steaming Mug, a US based hot beverage chain is provided as a context for engaging in a hands-on exploratory data analysis exercise to understand the strengths and weaknesses of the company's operations and performance. The learning from exploring this case will help students understand that many different insights can be drawn from the given data. The students will understand that there is no “one correct path” for this analysis. The values of getting multiple groups to present their findings is that students realise that there are many other angles that could have been explored, than the path they had gone down.

ThinkAlike, a fictitious marketing consulting firm, was asked by TiVo to segment the market for its new digital video recorder (DVR) product. Students are asked to analyze realistic data and generate segments that will be useful for TiVo s marketing strategy.

Hedge fund Magnetar Capital had returned 25 percent in 2007 with a strategy that posed significantly lower risk to investors than the S&P 500. Magnetar had made more than $1 billion in profit by noticing that the equity tranche of CDOs and CDO-derivative instruments were relatively mispriced. It took advantage of this anomaly by purchasing CDO equity and buying credit default swap (CDS) protection on tranches that were considered less risky. Now it was the job of Alec Litowitz, chairman and chief investment officer, to provide guidance to his team as they planned next year's strategy, evaluate and prioritize their ideas, and generate new ideas of his own. An ocean away, Ron Beller was contemplating some very different issues. Beller's firm, Peloton Partners LLP, had been one of the top-performing hedge funds in 2007, returning in excess of 80 percent. In late January 2008 Beller accepted two prestigious awards at a black-tie EuroHedge ceremony. A month later, his firm was bankrupt. Beller shorted the U.S. housing market before the subprime crisis hit, and was paid handsomely for his bet. After the crisis began, however, he believed that prices for highly rated mortgage securities were being unfairly punished, so he decided to go long AAA-rated securities backed by Alt-A mortgage loans (between prime and subprime), levered 9x. The trade moved against Peloton in a big way on February 14, 2008, causing $17 billion in losses and closure of the firm.

This case analyzes the strategies of the two hedge funds, focusing on how money can be made and lost during a financial crisis. The role of investment banks as lenders to hedge funds such as Peloton is explored, as well as characteristics of the CDO market and an array of both mortgage-related and credit protection-related instruments that were actively used (for better or worse) by hedge funds during the credit crisis of 2007 and 2008.

After completion of the case, students will be able to understand the following: how to understand financial statements, income statements and cash-flow statements with the help of ratios; understand the concept of shareholding pattern along with different entities, namely, non-promoters, foreign institutional investor, domestic institutional investor and others; financial ratio analysis with traditional DuPont and extended DuPont analysis; understand the differences between comparable firms; how to analysis return, risk, covariance, correlation, market risk and capital assets pricing model (CAPM) and how to suggest an appropriate investment strategy.

The case presents company background and financial statements of four companies listed under departmental stores in India, namely, Vmart retail, V2 retail, Avenue Supermarts (known as DMart) and future retail. Students are asked to determine, which company is performing better to make a recommendation for investment. Students learn the tools of financial ratio i.e. profitability, efficiency, liquidity and market-based ratio along with the traditional DuPont decomposition and the extended DuPont analysis. Students also learn how to measure stock return, standard deviation, covariance, correlation, market risk and CAPM.

This case is suitable for management accounting, financial analysis and security analysis and portfolio management courses at the post-graduate or graduate levels. The case can be used in similar courses such as in financial statement analysis courses or security analysis and portfolio management courses.

Teaching Notes are available for educators only. Please contact your library to gain login details or email support@emeraldinsight.com to request teaching notes.

CSS: 1 Accounting and finance.

Alice Monroe, a 30-year-old married mother of two, was an admissions officer at the Kellogg School of Management at Northwestern University. She was just completing her first year of service at Northwestern and qualified for the university's 403(b) retirement plan. It was early October 2017, and she had until the end of the month to decide if and to what extent she would participate in Northwestern's retirement plan–that is, how much of her salary should she put into the retirement plan, and into which mutual fund or funds should she allocate her savings?

The case includes background on defined contribution and benefit plans as well as mutual funds. It goes into detail about Northwestern's retirement plan, including data on the performance of 15 of the plan's core mutual funds. The case also provides each fund's strategy, Morningstar Rating and Morningstar Category, expense ratio, assets under management, turnover rate, and historical performance for the last 10 years.

Using modern portfolio theory (diversification and risk-return trade-off) and with an understanding of mutual fund fees and the tax advantages of retirement savings, students will decide how much Alice should invest and in which mutual funds.

After working through the case and the assignment questions, students will be able to understand the current practices and importance of influencer marketing strategies within overall marketing strategies; appreciate both the debate and dissonance that surround influencer performance measures; outline the key elements of Qoruz.com’s investments and efforts that brought them success; understand the strategic intent and justify the logic of operationalisation of Qoruz.com by creating two different SBUs after they launched a vastly improved tech platform; and evaluate potential strategies that Qoruz.com could use to move ahead and cement its supremacy in the influencer marketing space.

Interest in influencer marketing which found many takers during the pandemic was expected to intensify and form the core of many brand strategies. Coupled with this heightened interest and increased budget overlay, demands from brands and agencies alike for clearer ROI linkages and KPIs that have better correlation with business goals, have gained momentum. Qoruz, an early entrant in the influencer marketing space in India, attributed their success to their focus on product innovation and service quality. From a predominantly narrow service offering providing analytics that facilitated decision-making for influencer marketing campaigns, their recently launched multi-feature platform enabled them to expand their services and consolidate their position. However, today, in an increasing volatile market, drawn by the high growth trajectory of the influencer marketing space, many players had jumped in and tried to introduce technology-based platforms with almost similar features while aggressively playing the price card. With the monetary and economic conditions under pressure and constantly changing demands of clients, Qoruz.com found itself faced with a dilemma to protect their first mover advantage. The co-founders of Qoruz realised that to give confidence to their loyal client base, and really cement their leadership, they would need to urgently take stock and relook at their strategy afresh relying on their deep experience of the industry, loyalty of their customers and their tech-centric DNA to build a holistic and ambitious strategy.

This case is designed for use by graduate and under-graduate level students in marketing management and strategic management courses.

Teaching notes are available for educators only.

CSS 11: Strategy.

This case was designed not only for MBA and executive education but also undergraduate courses in human resources (HR), leadership development, HR metrics and change management. It is ideal for introducing the concepts of diversity, equity and inclusion (DE&I), the balanced scorecard and talent retention.

The case deals with initiating and integrating DE&I programs into a company. It highlights how and when to start, change management issues during roll-out and convincing senior leadership why a program such as the one the protagonist started adds value to an organization.

In early 2018, Kate McKinnon, AVP of HR for CareerStaff Unlimited (CSU), a temporary staffing company and division of Genesis HealthCare, reflected on the late 2016 decision to develop women for leadership roles at the company. With a rather unconventional implementation of the Women’s Leadership Group (WLG), Kate successfully developed fifteen female individual contributors, many of whom were promoted to leadership roles by early 2018. Kate was concerned about maintaining the momentum necessary to continue (and expand) the program of identifying, developing, promoting, and retaining women and other diverse employees across the company. She also wanted to measure a clear correlation between the WLG and CSU’s financial and customer outcomes. It was time to plan phase two of the program, including further improvement of the DE&I efforts at CSU.

The learning outcome of this paper are as follows: focused programs, led by courageous and committed leaders, improve gender equity. DE&I is a business imperative, as much as a legal/risk challenge. To be understood, approved and communicated, HR Initiatives must add value and be aligned with the company strategy along with financial and customer outcomes. People development and growth contribute to top talent retention.

Teaching notes are available for educators only. Please contact your library to gain login details or email support@emeraldinsight.com to request teaching notes.

Given the issues the USA is encountering after the George Floyd death and protests, this is a good way to demonstrate how courageous leadership can start to facilitate change in organizations.

CSS 6: Human Resources.