Friday, November 26, 2021

My Talk at the Managing Disaster Risk: A Way to Sustainability Workshop in Nepal

This past week I had the pleasure of speaking at the Managing Disaster Risk: A Way to Sustainability Workshop organized by NEGAAS (Nepal Germany Academic Association). Speakers and participants joined virtually from multiple continents. 

My presentation was entitled, “Labor and Supply Chain Networks: Insights from Models Inspired by the COVID-19 Pandemic.” 

After a very warm introduction and welcome by Professor Tanka Nath Dhamala, I thanked him and co-organizer Professor Urmila Pyakurel, as well as Er. Ravi Khanal and the Nepal German Academic Association (NEGAAS) and its Program on Migration and Diaspora for the invitation to speak.

In my presentation,  I first emphasized that the COVID-19 pandemic is a healthcare disaster that unlike, natural disasters, even those exacerbated by climate change, is not limited to time and space and has affected virtually the entire globe. I spoke about research on perishable and time-sensitive supply chain networks that I had done with collaborators even before the pandemic that enabled us to pivot to produce relevant research in the pandemic. Among the applications of such supply chains are: food supply chains as well as pharmaceutical and vaccine ones. Such supply chains were especially impacted in the pandemic. 

I discussed a stream of publications that I had published in the pandemic on mathematical models, both optimization and game theory ones, that include labor as a critical resource in supply chains, along with labor availability and productivity. I first discussed, at a high level, the food supply chain network model introduced in Nagurney (2021a), in which there are bounds on labor associated with supply chain network economic links of production, transportation, storage, and distribution using a generalized network optimization framework to capture food product perishability. 

I then (cf. Nagurney (2021b) highlighted another optimization model in which there are distinct sets of bounds on labor - on links, or on a tier of supply chain activity, or on the entire supply chain network. Finally, I discussed a model and results in Nagurney (2021c), where a game theory model with multiple competing firms under various labor constraints are engaged in competition under profit-maximizing behavior. The governing concept in the case of bounds on labor on links is that of Nash Equilibrium, whereas in the case of the two other sets of constraints, in which the firms compete for labor (a reality in the pandemic), the concept is that of a Generalized Nash Equilibrium. Highlights of a case study on blueberries and migrant labor, which has suffered in the pandemic, was also presented.  This paper, published in the European Journal of Operational Research was recognized by a 2021 Editor's Choice Award.

In my talk, I also noted that it is important that firms pay laborers the wages that they deserve and this can actually give them a competitive advantage (cf. Nagurney (2021d)). I  further noted the benefits of cooperation, from a study (see Nagurney and Qiang (2020)), in which synergies associated with the teaming of humanitarian organizations in disaster response can be quantified. 

In my presentation, I emphasized the importance of research and publishing on disaster management but also the need to get the research out to the public. I noted the benefits of writing OpEds and speaking with the media as well as in working with legislators to effect positive change. Below are just some of the media that I have been interviewed for in the pandemic.

I concluded my presentation by describing how work on blood supply chains that I had written about in The Conversation has impacted  national policy in the US in the pandemic.

I very much appreciated the thoughtful comments and questions after my presentation.

The full slide deck of my presentation can be downloaded here.


Nagurney, A., 2021a. Perishable food supply chain networks with labor in the Covid-19 pandemic. In: Dynamics of Disasters - Impact, Risk, Resilience, and Solutions. I.S. Kotsireas, A. Nagurney, P.M. Pardalos, and A. Tsokas, Editors, Springer Nature Switzerland AG, pp 173-193. 

Nagurney, A., 2021b. Optimization of supply chain networks with the inclusion of labor: Applications to Covid-19 pandemic disruptions. International Journal of Production Economics, 235, 108080.

Nagurney, A., 2021c. Supply chain game theory network modeling under labor constraints: Applications to the Covid-19 pandemic. European Journal of Operational Research, 293(3), 880-891.

Nagurney, A., 2021d. Wage-dependent labor and supply chain networks in the COVID-19 pandemic and beyond. In press in: Analysis, Geometry, Nonlinear Optimization and Applications, P.M. Pardalos and T.M. Rassias, Editors, World Scientific Publishing, Singapore. 

Nagurney, A., Qiang, Q., 2020. Quantifying supply chain network synergy for humanitarian organizations. IBM Journal of Research and Development, 64(1/2), pp 12:1-12:16.

The program of the workshop can be viewed below.

The ideas generated at this workshop were fabulous and. A big plus was the mix of academics, practitioners, and representatives from government, which made for meaningful conversations.

Sunday, November 7, 2021

Had a Great Time Speaking at the Chancellor's Donor Appreciation Breakfast at UMass Amherst

Yesterday, I had the great honor of being the invited faculty speaker at the Chancellor's Donor Appreciation Breakfast at UMass Amherst.  This weekend was Homecoming Weekend, so that added to the festive atmosphere. Plus, this was the first time since the pandemic was declared that I was speaking to an audience (not including my class)  in person. There were about 300 in attendance and the event took place in the beautifully renovated Student Union. 

The program of the event is below.

It was wonderful to be seated with Chancellor Kumble Subbaswamy and student speaker Shelby Casimir plus a distinguished PhD alum, Dr. Sherwood, and his wife. My husband accompanied me.

The title of my presentation was: From Supernetworks to Supply Chains in the Pandemic.
The slide deck of my presentation can be downloaded here.

In my presentation, I spoke about amazing students and alums and also the inspiration for the Supernetworks book, and the establishment of the Virtual Center for Supernetworks 20 years ago.  I acknowledged Jack Smith Jr., who endowed the first chaired professorship that I held at the Isenberg School of Management, and also the Isenberg family. I was appointed the Eugene M. Isenberg Chair in Integrative Studies on April 14, 2021, a tremendous honor. Given the number of individuals that came up to me after the program, I believe that the audience enjoyed my presentation. I had hoped to inspire and to share my gratitude for the support!  And, of course, speaking about supply chains and our research on them in the pandemic is a passion of mine from the inclusion of labor to be able to quantify impacts of associated disruptions to our work on blood supply chains and influencing policy.  I also spoke about how much I have enjoyed writing OpEds in the pandemic to inform the public and decision-makers and how speaking to the media, whether for print, TV or radio has also enriched public discourse and outreach. 

Shelby Casimir and I enjoyed being photographed with the Chancellor (photo above). Shelby gave a very moving speech about the challenges of being a student in the pandemic and how she overcame the challenges. The Chancellor, as a super cheerleader of the university, spoke of the many accomplishments as well as major recent donations received.

It was wonderful to be entertained not only by a trio at the beginning of the breakfast and by a contingent of the famous UMass Marching Band towards the end.

It was extra special to see my Isenberg School colleagues, Vice Chancellor Nef Walker and Finance Professor Mila Sherman.
I acknowledged the leadership of the Isenberg School, including Deans Tom O'Brien, Mark Fuller, and, now, Anne Massey.

It was a truly memorable event enjoyed tremendously be all! The resilience of the faculty, administrators, staff, and especially students at UMass Amherst in the pandemic has been remarkable. We all gain from the great strength of the community at this outstanding research university.