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Donald Trump's tenure as President of the United States has been among the most disruptive in American history. In many areas, President Trump has upended convention, undermined norms, and cast aspersions on a host of institutions. Trump's imposition of punitive tariffs on steel and aluminum, along with the threat to withdraw from the NAFTA have been significant threats to the Canadian economy. The President's instincts on trade may be one of the few constants in a worldview on foreign policy that has otherwise lacked consistency. This article argues that Trump's actions on trade have other precedents in American history, many of which have similarly embroiled Canada. [ABSTRACT FROM AUTHOR]

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This paper argues that since the completion of the NAFTA in the early 1990s, there has been too much focus on what governments in Ottawa, Washington, and Mexico City have or have not been doing to deepen North American integration. The NAFTA was an anomaly that obscures the larger history of incrementalism that has shaped North America's political economy. A focus on large, government-led integration projects like the NAFTA as a model for North American integration distracts from an examination of the many connections and processes taking place across borders every day. Security has become fully entrenched as a driving paradigm of North American relations. However, much of the activity in this domain and others is taking place at the bureaucratic, sub-state, and non-state levels rather than via active direction from national leadership. As scholars and analysts of North America, we would do well to move away from the NAFTA as a model for negotiating North America's future. [ABSTRACT FROM AUTHOR]

This paper traces the recent evolution of North American economic and security relations within the context of broader debates in international political economy (IPE) concerning globalization and its effects on the state in the international system. Borrowing from David Lake's discussion of hierarchical sovereignty, this paper argues that efforts to meld security to economics in an integrated North American market devoid of institutions have made sovereignty more hierarchical. It presents an approach to looking at North American integration, which can assist in understanding recent developments that are suggestive of new areas of research and policy development for both practitioners and theoreticians. [ABSTRACT FROM PUBLISHER]

This paper evaluates the performance of the optimal mean-variance portfolio decision when lagged conditioning information is included in the investment universe. Motivated by the dynamic trading literature, we evaluate the performance of eight conditioned information portfolios against an unconditional portfolio and various benchmark strategies. We find with that including lagged conditioning information into the optimal mean-variance portfolio decision can add economic wealth. A number of the conditioning information variables used are significantly effective at improving the portfolio performance in terms of the Sharpe [1966. Mutual fund performance. Journal of Business 39, no. 2: 119-38] ratio, certainty equivalent return, and Jensen [1968. The performance of mutual funds in the period 1945-1964. Journal of Finance 23, no.2: 389-416] performance. We find that the lagged market excess returns instrument has the greatest impact on the portfolio decision. [ABSTRACT FROM AUTHOR]

The notion of determinant groupoid is a natural outgrowth of the theory of the Sato Grassmannian and thus well-known in mathematical physics. We briefly sketch here a version of the theory of determinant groupoids over an artinian local ring, taking pains to put the theory in a simple concrete form suited to number-theoretical applications. We then use the theory to give a simple proof of a reciprocity law for the Contou-Carrère symbol. Finally, we explain how from the latter to recover various classical explicit reciprocity laws on nonsingular complete curves over an algebraically closed field, namely sum-of-residues-equals-zero, Weil reciprocity, and an explicit reciprocity law due to Witt. Needless to say, we have been much influenced by the work of Tate on sum-of-residues-equals-zero and the work of Arbarello-De Concini-Kac on Weil reciprocity. We also build in an essential way on a previous work of the second-named author. [ABSTRACT FROM AUTHOR]

No abstract available for this article. [ABSTRACT FROM PUBLISHER]

No abstract available for this article. [ABSTRACT FROM PUBLISHER]

There are many issues affecting academic libraries which question our fundamental role and function within the scholarly community. This article examines the issues related to the strategic visions of access or ownership which confront each library and offers a proposal to begin exploration of opportunities. [ABSTRACT FROM PUBLISHER]

This paper investigates the characteristics of successful cooperative cataloging. A selected historical review of cooperative activities is given, and two current initiatives, CONSER and NCCP, are explored in detail. Next, the role and scope of cooperative cataloging in the electronic networked environment is examined. Finally, the paper proposes a structure for creating a vision for the future of networked, cooperative cataloging. [ABSTRACT FROM PUBLISHER]

Focuses on the conceptual and administrative issues in the creation of a shared serials publication pattern database. Components of the model for a shared database; Changes in the focus of academic libraries; Actions and strategies for serials libraries.